WHY

PowerShell "$s = (gc a.txt -ReadCount 0) -join \"`r`n\"; $s=[regex]::Replace($s, '[0-9]+', {[Math]::Floor(0.925*$args[0].Value)}); sc b.txt $s"
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WHY

@if(0)==(0) echo off
type a.txt | cscript //nologo //e:jscript "%~f0" > b.txt
pause & exit/b
@end

var s = WSH.StdIn.ReadAll();
s = s.replace(
    /[0-9]+/g,
    function(s0){return Math.floor(0.925*s0);}
)
WSH.Echo(s);
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