70.13% is the change from 539 to 917
Calculation steps:
[( 917 - 539 ) ÷ 539] x 100 = 70.13%
Formula
Percentage change = [(917 - 539) / 539] x 100
Subtract the new number by the original number
917 - 539 = 378
378 ÷ 539 = 0.7012987012987013
0.7012987012987013 x 100 = 70.13%