-37.54% is the change from 839 to 524
Calculation steps:
[( 524 - 839 ) ÷ 839] x 100 = -37.54%
Formula
Percentage change = [(524 - 839) / 839] x 100
Subtract the new number by the original number
524 - 839 = -315
-315 ÷ 839 = -0.37544696066746125
-0.37544696066746125 x 100 = -37.54%