-75.25% is the change from 501 to 124
Calculation steps:
[( 124 - 501 ) ÷ 501] x 100 = -75.25%
Formula
Percentage change = [(124 - 501) / 501] x 100
Subtract the new number by the original number
124 - 501 = -377
-377 ÷ 501 = -0.7524950099800399
-0.7524950099800399 x 100 = -75.25%