180% is the change from 70 to 196
Calculation steps:
[( 196 - 70 ) ÷ 70] x 100 = 180%
Formula
Percentage change = [(196 - 70) / 70] x 100
Subtract the new number by the original number
196 - 70 = 126
126 ÷ 70 = 1.8
1.8 x 100 = 180%
Example