29.59% is the change from 517 to 670
Calculation steps:
[( 670 - 517 ) ÷ 517] x 100 = 29.59%
Formula
Percentage change = [(670 - 517) / 517] x 100
Subtract the new number by the original number
670 - 517 = 153
153 ÷ 517 = 0.29593810444874274
0.29593810444874274 x 100 = 29.59%