230.69% is the change from 290 to 959
Calculation steps:
[( 959 - 290 ) ÷ 290] x 100 = 230.69%
Formula
Percentage change = [(959 - 290) / 290] x 100
Subtract the new number by the original number
959 - 290 = 669
669 ÷ 290 = 2.306896551724138
2.306896551724138 x 100 = 230.69%