-77.97% is the change from 622 to 137
Calculation steps:
[( 137 - 622 ) ÷ 622] x 100 = -77.97%
Formula
Percentage change = [(137 - 622) / 622] x 100
Subtract the new number by the original number
137 - 622 = -485
-485 ÷ 622 = -0.7797427652733119
-0.7797427652733119 x 100 = -77.97%