59% is the change from 539 to 857
Calculation steps:
[( 857 - 539 ) ÷ 539] x 100 = 59%
Formula
Percentage change = [(857 - 539) / 539] x 100
Subtract the new number by the original number
857 - 539 = 318
318 ÷ 539 = 0.5899814471243042
0.5899814471243042 x 100 = 59%