-85.26% is the change from 502 to 74
Calculation steps:
[( 74 - 502 ) ÷ 502] x 100 = -85.26%
Formula
Percentage change = [(74 - 502) / 502] x 100
Subtract the new number by the original number
74 - 502 = -428
-428 ÷ 502 = -0.852589641434263
-0.852589641434263 x 100 = -85.26%