85.34% is the change from 539 to 999
Calculation steps:
[( 999 - 539 ) ÷ 539] x 100 = 85.34%
Formula
Percentage change = [(999 - 539) / 539] x 100
Subtract the new number by the original number
999 - 539 = 460
460 ÷ 539 = 0.8534322820037106
0.8534322820037106 x 100 = 85.34%