251.2% is the change from 209 to 734
Calculation steps:
[( 734 - 209 ) ÷ 209] x 100 = 251.2%
Formula
Percentage change = [(734 - 209) / 209] x 100
Subtract the new number by the original number
734 - 209 = 525
525 ÷ 209 = 2.511961722488038
2.511961722488038 x 100 = 251.2%