249.76% is the change from 209 to 731
Calculation steps:
[( 731 - 209 ) ÷ 209] x 100 = 249.76%
Formula
Percentage change = [(731 - 209) / 209] x 100
Subtract the new number by the original number
731 - 209 = 522
522 ÷ 209 = 2.4976076555023923
2.4976076555023923 x 100 = 249.76%