-79.67% is the change from 610 to 124
Calculation steps:
[( 124 - 610 ) ÷ 610] x 100 = -79.67%
Formula
Percentage change = [(124 - 610) / 610] x 100
Subtract the new number by the original number
124 - 610 = -486
-486 ÷ 610 = -0.7967213114754098
-0.7967213114754098 x 100 = -79.67%