103.09% is the change from 291 to 591
Calculation steps:
[( 591 - 291 ) ÷ 291] x 100 = 103.09%
Formula
Percentage change = [(591 - 291) / 291] x 100
Subtract the new number by the original number
591 - 291 = 300
300 ÷ 291 = 1.0309278350515463
1.0309278350515463 x 100 = 103.09%