-79.81% is the change from 624 to 126
Calculation steps:
[( 126 - 624 ) ÷ 624] x 100 = -79.81%
Formula
Percentage change = [(126 - 624) / 624] x 100
Subtract the new number by the original number
126 - 624 = -498
-498 ÷ 624 = -0.7980769230769231
-0.7980769230769231 x 100 = -79.81%