66.15% is the change from 517 to 859
Calculation steps:
[( 859 - 517 ) ÷ 517] x 100 = 66.15%
Formula
Percentage change = [(859 - 517) / 517] x 100
Subtract the new number by the original number
859 - 517 = 342
342 ÷ 517 = 0.6615087040618955
0.6615087040618955 x 100 = 66.15%