-87.78% is the change from 622 to 76
Calculation steps:
[( 76 - 622 ) ÷ 622] x 100 = -87.78%
Formula
Percentage change = [(76 - 622) / 622] x 100
Subtract the new number by the original number
76 - 622 = -546
-546 ÷ 622 = -0.8778135048231511
-0.8778135048231511 x 100 = -87.78%