230.7% is the change from 215 to 711
Calculation steps:
[( 711 - 215 ) ÷ 215] x 100 = 230.7%
Formula
Percentage change = [(711 - 215) / 215] x 100
Subtract the new number by the original number
711 - 215 = 496
496 ÷ 215 = 2.3069767441860467
2.3069767441860467 x 100 = 230.7%