-86.53% is the change from 527 to 71
Calculation steps:
[( 71 - 527 ) ÷ 527] x 100 = -86.53%
Formula
Percentage change = [(71 - 527) / 527] x 100
Subtract the new number by the original number
71 - 527 = -456
-456 ÷ 527 = -0.8652751423149905
-0.8652751423149905 x 100 = -86.53%