-87% is the change from 546 to 71
Calculation steps:
[( 71 - 546 ) ÷ 546] x 100 = -87%
Formula
Percentage change = [(71 - 546) / 546] x 100
Subtract the new number by the original number
71 - 546 = -475
-475 ÷ 546 = -0.86996336996337
-0.86996336996337 x 100 = -87%