-84.25% is the change from 546 to 86
Calculation steps:
[( 86 - 546 ) ÷ 546] x 100 = -84.25%
Formula
Percentage change = [(86 - 546) / 546] x 100
Subtract the new number by the original number
86 - 546 = -460
-460 ÷ 546 = -0.8424908424908425
-0.8424908424908425 x 100 = -84.25%