41.21% is the change from 347 to 490
Calculation steps:
[( 490 - 347 ) ÷ 347] x 100 = 41.21%
Formula
Percentage change = [(490 - 347) / 347] x 100
Subtract the new number by the original number
490 - 347 = 143
143 ÷ 347 = 0.41210374639769454
0.41210374639769454 x 100 = 41.21%