-75.4% is the change from 504 to 124
Calculation steps:
[( 124 - 504 ) ÷ 504] x 100 = -75.4%
Formula
Percentage change = [(124 - 504) / 504] x 100
Subtract the new number by the original number
124 - 504 = -380
-380 ÷ 504 = -0.753968253968254
-0.753968253968254 x 100 = -75.4%