71.13% is the change from 291 to 498
Calculation steps:
[( 498 - 291 ) ÷ 291] x 100 = 71.13%
Formula
Percentage change = [(498 - 291) / 291] x 100
Subtract the new number by the original number
498 - 291 = 207
207 ÷ 291 = 0.711340206185567
0.711340206185567 x 100 = 71.13%