238.57% is the change from 210 to 711
Calculation steps:
[( 711 - 210 ) ÷ 210] x 100 = 238.57%
Formula
Percentage change = [(711 - 210) / 210] x 100
Subtract the new number by the original number
711 - 210 = 501
501 ÷ 210 = 2.3857142857142857
2.3857142857142857 x 100 = 238.57%