155.19% is the change from 270 to 689
Calculation steps:
[( 689 - 270 ) ÷ 270] x 100 = 155.19%
Formula
Percentage change = [(689 - 270) / 270] x 100
Subtract the new number by the original number
689 - 270 = 419
419 ÷ 270 = 1.5518518518518518
1.5518518518518518 x 100 = 155.19%