-84.29% is the change from 541 to 85
Calculation steps:
[( 85 - 541 ) ÷ 541] x 100 = -84.29%
Formula
Percentage change = [(85 - 541) / 541] x 100
Subtract the new number by the original number
85 - 541 = -456
-456 ÷ 541 = -0.8428835489833642
-0.8428835489833642 x 100 = -84.29%