229.19% is the change from 209 to 688
Calculation steps:
[( 688 - 209 ) ÷ 209] x 100 = 229.19%
Formula
Percentage change = [(688 - 209) / 209] x 100
Subtract the new number by the original number
688 - 209 = 479
479 ÷ 209 = 2.291866028708134
2.291866028708134 x 100 = 229.19%