21.36% is the change from 426 to 517
Calculation steps:
[( 517 - 426 ) ÷ 426] x 100 = 21.36%
Formula
Percentage change = [(517 - 426) / 426] x 100
Subtract the new number by the original number
517 - 426 = 91
91 ÷ 426 = 0.2136150234741784
0.2136150234741784 x 100 = 21.36%