76.9% is the change from 290 to 513
Calculation steps:
[( 513 - 290 ) ÷ 290] x 100 = 76.9%
Formula
Percentage change = [(513 - 290) / 290] x 100
Subtract the new number by the original number
513 - 290 = 223
223 ÷ 290 = 0.7689655172413793
0.7689655172413793 x 100 = 76.9%