51.45% is the change from 517 to 783
Calculation steps:
[( 783 - 517 ) ÷ 517] x 100 = 51.45%
Formula
Percentage change = [(783 - 517) / 517] x 100
Subtract the new number by the original number
783 - 517 = 266
266 ÷ 517 = 0.5145067698259188
0.5145067698259188 x 100 = 51.45%