-94.06% is the change from 522 to 31
Calculation steps:
[( 31 - 522 ) ÷ 522] x 100 = -94.06%
Formula
Percentage change = [(31 - 522) / 522] x 100
Subtract the new number by the original number
31 - 522 = -491
-491 ÷ 522 = -0.9406130268199234
-0.9406130268199234 x 100 = -94.06%