-85.9% is the change from 624 to 88
Calculation steps:
[( 88 - 624 ) ÷ 624] x 100 = -85.9%
Formula
Percentage change = [(88 - 624) / 624] x 100
Subtract the new number by the original number
88 - 624 = -536
-536 ÷ 624 = -0.8589743589743589
-0.8589743589743589 x 100 = -85.9%