-88.99% is the change from 454 to 50
Calculation steps:
[( 50 - 454 ) ÷ 454] x 100 = -88.99%
Formula
Percentage change = [(50 - 454) / 454] x 100
Subtract the new number by the original number
50 - 454 = -404
-404 ÷ 454 = -0.8898678414096917
-0.8898678414096917 x 100 = -88.99%