65.96% is the change from 517 to 858
Calculation steps:
[( 858 - 517 ) ÷ 517] x 100 = 65.96%
Formula
Percentage change = [(858 - 517) / 517] x 100
Subtract the new number by the original number
858 - 517 = 341
341 ÷ 517 = 0.6595744680851063
0.6595744680851063 x 100 = 65.96%