42.91% is the change from 247 to 353
Calculation steps:
[( 353 - 247 ) ÷ 247] x 100 = 42.91%
Formula
Percentage change = [(353 - 247) / 247] x 100
Subtract the new number by the original number
353 - 247 = 106
106 ÷ 247 = 0.4291497975708502
0.4291497975708502 x 100 = 42.91%