75.71% is the change from 70 to 123
Calculation steps:
[( 123 - 70 ) ÷ 70] x 100 = 75.71%
Formula
Percentage change = [(123 - 70) / 70] x 100
Subtract the new number by the original number
123 - 70 = 53
53 ÷ 70 = 0.7571428571428571
0.7571428571428571 x 100 = 75.71%