-31.99% is the change from 622 to 423
Calculation steps:
[( 423 - 622 ) ÷ 622] x 100 = -31.99%
Formula
Percentage change = [(423 - 622) / 622] x 100
Subtract the new number by the original number
423 - 622 = -199
-199 ÷ 622 = -0.319935691318328
-0.319935691318328 x 100 = -31.99%