30.2% is the change from 351 to 457
Calculation steps:
[( 457 - 351 ) ÷ 351] x 100 = 30.2%
Formula
Percentage change = [(457 - 351) / 351] x 100
Subtract the new number by the original number
457 - 351 = 106
106 ÷ 351 = 0.301994301994302
0.301994301994302 x 100 = 30.2%