61.51% is the change from 517 to 835
Calculation steps:
[( 835 - 517 ) ÷ 517] x 100 = 61.51%
Formula
Percentage change = [(835 - 517) / 517] x 100
Subtract the new number by the original number
835 - 517 = 318
318 ÷ 517 = 0.6150870406189555
0.6150870406189555 x 100 = 61.51%