-86.48% is the change from 525 to 71
Calculation steps:
[( 71 - 525 ) ÷ 525] x 100 = -86.48%
Formula
Percentage change = [(71 - 525) / 525] x 100
Subtract the new number by the original number
71 - 525 = -454
-454 ÷ 525 = -0.8647619047619047
-0.8647619047619047 x 100 = -86.48%