40.35% is the change from 347 to 487
Calculation steps:
[( 487 - 347 ) ÷ 347] x 100 = 40.35%
Formula
Percentage change = [(487 - 347) / 347] x 100
Subtract the new number by the original number
487 - 347 = 140
140 ÷ 347 = 0.4034582132564842
0.4034582132564842 x 100 = 40.35%