-83.92% is the change from 541 to 87
Calculation steps:
[( 87 - 541 ) ÷ 541] x 100 = -83.92%
Formula
Percentage change = [(87 - 541) / 541] x 100
Subtract the new number by the original number
87 - 541 = -454
-454 ÷ 541 = -0.8391866913123844
-0.8391866913123844 x 100 = -83.92%