-22.22% is the change from 522 to 406
Calculation steps:
[( 406 - 522 ) ÷ 522] x 100 = -22.22%
Formula
Percentage change = [(406 - 522) / 522] x 100
Subtract the new number by the original number
406 - 522 = -116
-116 ÷ 522 = -0.2222222222222222
-0.2222222222222222 x 100 = -22.22%