83.56% is the change from 517 to 949
Calculation steps:
[( 949 - 517 ) ÷ 517] x 100 = 83.56%
Formula
Percentage change = [(949 - 517) / 517] x 100
Subtract the new number by the original number
949 - 517 = 432
432 ÷ 517 = 0.8355899419729207
0.8355899419729207 x 100 = 83.56%