-31.16% is the change from 613 to 422
Calculation steps:
[( 422 - 613 ) ÷ 613] x 100 = -31.16%
Formula
Percentage change = [(422 - 613) / 613] x 100
Subtract the new number by the original number
422 - 613 = -191
-191 ÷ 613 = -0.31158238172920066
-0.31158238172920066 x 100 = -31.16%