140.37% is the change from 270 to 649
Calculation steps:
[( 649 - 270 ) ÷ 270] x 100 = 140.37%
Formula
Percentage change = [(649 - 270) / 270] x 100
Subtract the new number by the original number
649 - 270 = 379
379 ÷ 270 = 1.4037037037037037
1.4037037037037037 x 100 = 140.37%