114.29% is the change from 70 to 150
Calculation steps:
[( 150 - 70 ) ÷ 70] x 100 = 114.29%
Formula
Percentage change = [(150 - 70) / 70] x 100
Subtract the new number by the original number
150 - 70 = 80
80 ÷ 70 = 1.1428571428571428
1.1428571428571428 x 100 = 114.29%