273.43% is the change from 207 to 773
Calculation steps:
[( 773 - 207 ) ÷ 207] x 100 = 273.43%
Formula
Percentage change = [(773 - 207) / 207] x 100
Subtract the new number by the original number
773 - 207 = 566
566 ÷ 207 = 2.7342995169082127
2.7342995169082127 x 100 = 273.43%