77.32% is the change from 291 to 516
Calculation steps:
[( 516 - 291 ) ÷ 291] x 100 = 77.32%
Formula
Percentage change = [(516 - 291) / 291] x 100
Subtract the new number by the original number
516 - 291 = 225
225 ÷ 291 = 0.7731958762886598
0.7731958762886598 x 100 = 77.32%