181.48% is the change from 270 to 760
Calculation steps:
[( 760 - 270 ) ÷ 270] x 100 = 181.48%
Formula
Percentage change = [(760 - 270) / 270] x 100
Subtract the new number by the original number
760 - 270 = 490
490 ÷ 270 = 1.8148148148148149
1.8148148148148149 x 100 = 181.48%