-55.75% is the change from 522 to 231
Calculation steps:
[( 231 - 522 ) ÷ 522] x 100 = -55.75%
Formula
Percentage change = [(231 - 522) / 522] x 100
Subtract the new number by the original number
231 - 522 = -291
-291 ÷ 522 = -0.5574712643678161
-0.5574712643678161 x 100 = -55.75%