51.64% is the change from 517 to 784
Calculation steps:
[( 784 - 517 ) ÷ 517] x 100 = 51.64%
Formula
Percentage change = [(784 - 517) / 517] x 100
Subtract the new number by the original number
784 - 517 = 267
267 ÷ 517 = 0.5164410058027079
0.5164410058027079 x 100 = 51.64%