-70.31% is the change from 522 to 155
Calculation steps:
[( 155 - 522 ) ÷ 522] x 100 = -70.31%
Formula
Percentage change = [(155 - 522) / 522] x 100
Subtract the new number by the original number
155 - 522 = -367
-367 ÷ 522 = -0.7030651340996169
-0.7030651340996169 x 100 = -70.31%