-40.23% is the change from 522 to 312
Calculation steps:
[( 312 - 522 ) ÷ 522] x 100 = -40.23%
Formula
Percentage change = [(312 - 522) / 522] x 100
Subtract the new number by the original number
312 - 522 = -210
-210 ÷ 522 = -0.40229885057471265
-0.40229885057471265 x 100 = -40.23%