273.56% is the change from 208 to 777
Calculation steps:
[( 777 - 208 ) ÷ 208] x 100 = 273.56%
Formula
Percentage change = [(777 - 208) / 208] x 100
Subtract the new number by the original number
777 - 208 = 569
569 ÷ 208 = 2.735576923076923
2.735576923076923 x 100 = 273.56%