275.36% is the change from 207 to 777
Calculation steps:
[( 777 - 207 ) ÷ 207] x 100 = 275.36%
Formula
Percentage change = [(777 - 207) / 207] x 100
Subtract the new number by the original number
777 - 207 = 570
570 ÷ 207 = 2.753623188405797
2.753623188405797 x 100 = 275.36%