188.15% is the change from 270 to 778
Calculation steps:
[( 778 - 270 ) ÷ 270] x 100 = 188.15%
Formula
Percentage change = [(778 - 270) / 270] x 100
Subtract the new number by the original number
778 - 270 = 508
508 ÷ 270 = 1.8814814814814815
1.8814814814814815 x 100 = 188.15%