109.62% is the change from 291 to 610
Calculation steps:
[( 610 - 291 ) ÷ 291] x 100 = 109.62%
Formula
Percentage change = [(610 - 291) / 291] x 100
Subtract the new number by the original number
610 - 291 = 319
319 ÷ 291 = 1.0962199312714778
1.0962199312714778 x 100 = 109.62%