140.74% is the change from 270 to 650
Calculation steps:
[( 650 - 270 ) ÷ 270] x 100 = 140.74%
Formula
Percentage change = [(650 - 270) / 270] x 100
Subtract the new number by the original number
650 - 270 = 380
380 ÷ 270 = 1.4074074074074074
1.4074074074074074 x 100 = 140.74%