-63.71% is the change from 124 to 45
Calculation steps:
[( 45 - 124 ) ÷ 124] x 100 = -63.71%
Formula
Percentage change = [(45 - 124) / 124] x 100
Subtract the new number by the original number
45 - 124 = -79
-79 ÷ 124 = -0.6370967741935484
-0.6370967741935484 x 100 = -63.71%