-96.17% is the change from 522 to 20
Calculation steps:
[( 20 - 522 ) ÷ 522] x 100 = -96.17%
Formula
Percentage change = [(20 - 522) / 522] x 100
Subtract the new number by the original number
20 - 522 = -502
-502 ÷ 522 = -0.9616858237547893
-0.9616858237547893 x 100 = -96.17%