272.25% is the change from 209 to 778
Calculation steps:
[( 778 - 209 ) ÷ 209] x 100 = 272.25%
Formula
Percentage change = [(778 - 209) / 209] x 100
Subtract the new number by the original number
778 - 209 = 569
569 ÷ 209 = 2.722488038277512
2.722488038277512 x 100 = 272.25%