-32.32% is the change from 622 to 421
Calculation steps:
[( 421 - 622 ) ÷ 622] x 100 = -32.32%
Formula
Percentage change = [(421 - 622) / 622] x 100
Subtract the new number by the original number
421 - 622 = -201
-201 ÷ 622 = -0.32315112540192925
-0.32315112540192925 x 100 = -32.32%