76.63% is the change from 291 to 514
Calculation steps:
[( 514 - 291 ) ÷ 291] x 100 = 76.63%
Formula
Percentage change = [(514 - 291) / 291] x 100
Subtract the new number by the original number
514 - 291 = 223
223 ÷ 291 = 0.7663230240549829
0.7663230240549829 x 100 = 76.63%