-91% is the change from 622 to 56
Calculation steps:
[( 56 - 622 ) ÷ 622] x 100 = -91%
Formula
Percentage change = [(56 - 622) / 622] x 100
Subtract the new number by the original number
56 - 622 = -566
-566 ÷ 622 = -0.909967845659164
-0.909967845659164 x 100 = -91%