-81.45% is the change from 124 to 23
Calculation steps:
[( 23 - 124 ) ÷ 124] x 100 = -81.45%
Formula
Percentage change = [(23 - 124) / 124] x 100
Subtract the new number by the original number
23 - 124 = -101
-101 ÷ 124 = -0.8145161290322581
-0.8145161290322581 x 100 = -81.45%