275% is the change from 208 to 780
Calculation steps:
[( 780 - 208 ) ÷ 208] x 100 = 275%
Formula
Percentage change = [(780 - 208) / 208] x 100
Subtract the new number by the original number
780 - 208 = 572
572 ÷ 208 = 2.75
2.75 x 100 = 275%
Example