21.93% is the change from 342 to 417
Calculation steps:
[( 417 - 342 ) ÷ 342] x 100 = 21.93%
Formula
Percentage change = [(417 - 342) / 342] x 100
Subtract the new number by the original number
417 - 342 = 75
75 ÷ 342 = 0.21929824561403508
0.21929824561403508 x 100 = 21.93%