339.13% is the change from 207 to 909
Calculation steps:
[( 909 - 207 ) ÷ 207] x 100 = 339.13%
Formula
Percentage change = [(909 - 207) / 207] x 100
Subtract the new number by the original number
909 - 207 = 702
702 ÷ 207 = 3.391304347826087
3.391304347826087 x 100 = 339.13%