29.63% is the change from 54 to 70
Calculation steps:
[( 70 - 54 ) ÷ 54] x 100 = 29.63%
Formula
Percentage change = [(70 - 54) / 54] x 100
Subtract the new number by the original number
70 - 54 = 16
16 ÷ 54 = 0.2962962962962963
0.2962962962962963 x 100 = 29.63%