-85.1% is the change from 624 to 93
Calculation steps:
[( 93 - 624 ) ÷ 624] x 100 = -85.1%
Formula
Percentage change = [(93 - 624) / 624] x 100
Subtract the new number by the original number
93 - 624 = -531
-531 ÷ 624 = -0.8509615384615384
-0.8509615384615384 x 100 = -85.1%