192.59% is the change from 270 to 790
Calculation steps:
[( 790 - 270 ) ÷ 270] x 100 = 192.59%
Formula
Percentage change = [(790 - 270) / 270] x 100
Subtract the new number by the original number
790 - 270 = 520
520 ÷ 270 = 1.9259259259259258
1.9259259259259258 x 100 = 192.59%