-84.46% is the change from 624 to 97
Calculation steps:
[( 97 - 624 ) ÷ 624] x 100 = -84.46%
Formula
Percentage change = [(97 - 624) / 624] x 100
Subtract the new number by the original number
97 - 624 = -527
-527 ÷ 624 = -0.844551282051282
-0.844551282051282 x 100 = -84.46%