-80.13% is the change from 624 to 124
Calculation steps:
[( 124 - 624 ) ÷ 624] x 100 = -80.13%
Formula
Percentage change = [(124 - 624) / 624] x 100
Subtract the new number by the original number
124 - 624 = -500
-500 ÷ 624 = -0.8012820512820513
-0.8012820512820513 x 100 = -80.13%