-88.1% is the change from 521 to 62
Calculation steps:
[( 62 - 521 ) ÷ 521] x 100 = -88.1%
Formula
Percentage change = [(62 - 521) / 521] x 100
Subtract the new number by the original number
62 - 521 = -459
-459 ÷ 521 = -0.8809980806142035
-0.8809980806142035 x 100 = -88.1%