-79.77% is the change from 613 to 124
Calculation steps:
[( 124 - 613 ) ÷ 613] x 100 = -79.77%
Formula
Percentage change = [(124 - 613) / 613] x 100
Subtract the new number by the original number
124 - 613 = -489
-489 ÷ 613 = -0.797716150081566
-0.797716150081566 x 100 = -79.77%