21.82% is the change from 417 to 508
Calculation steps:
[( 508 - 417 ) ÷ 417] x 100 = 21.82%
Formula
Percentage change = [(508 - 417) / 417] x 100
Subtract the new number by the original number
508 - 417 = 91
91 ÷ 417 = 0.2182254196642686
0.2182254196642686 x 100 = 21.82%