40.63% is the change from 347 to 488
Calculation steps:
[( 488 - 347 ) ÷ 347] x 100 = 40.63%
Formula
Percentage change = [(488 - 347) / 347] x 100
Subtract the new number by the original number
488 - 347 = 141
141 ÷ 347 = 0.40634005763688763
0.40634005763688763 x 100 = 40.63%