48.57% is the change from 70 to 104
Calculation steps:
[( 104 - 70 ) ÷ 70] x 100 = 48.57%
Formula
Percentage change = [(104 - 70) / 70] x 100
Subtract the new number by the original number
104 - 70 = 34
34 ÷ 70 = 0.4857142857142857
0.4857142857142857 x 100 = 48.57%