102.86% is the change from 70 to 142
Calculation steps:
[( 142 - 70 ) ÷ 70] x 100 = 102.86%
Formula
Percentage change = [(142 - 70) / 70] x 100
Subtract the new number by the original number
142 - 70 = 72
72 ÷ 70 = 1.0285714285714285
1.0285714285714285 x 100 = 102.86%