-81% is the change from 458 to 87
Calculation steps:
[( 87 - 458 ) ÷ 458] x 100 = -81%
Formula
Percentage change = [(87 - 458) / 458] x 100
Subtract the new number by the original number
87 - 458 = -371
-371 ÷ 458 = -0.8100436681222707
-0.8100436681222707 x 100 = -81%