-32.37% is the change from 624 to 422
Calculation steps:
[( 422 - 624 ) ÷ 624] x 100 = -32.37%
Formula
Percentage change = [(422 - 624) / 624] x 100
Subtract the new number by the original number
422 - 624 = -202
-202 ÷ 624 = -0.32371794871794873
-0.32371794871794873 x 100 = -32.37%