-81.07% is the change from 655 to 124
Calculation steps:
[( 124 - 655 ) ÷ 655] x 100 = -81.07%
Formula
Percentage change = [(124 - 655) / 655] x 100
Subtract the new number by the original number
124 - 655 = -531
-531 ÷ 655 = -0.8106870229007633
-0.8106870229007633 x 100 = -81.07%