-80.39% is the change from 622 to 122
Calculation steps:
[( 122 - 622 ) ÷ 622] x 100 = -80.39%
Formula
Percentage change = [(122 - 622) / 622] x 100
Subtract the new number by the original number
122 - 622 = -500
-500 ÷ 622 = -0.8038585209003215
-0.8038585209003215 x 100 = -80.39%