50% is the change from 108 to 162
Calculation steps:
[( 162 - 108 ) ÷ 108] x 100 = 50%
Formula
Percentage change = [(162 - 108) / 108] x 100
Subtract the new number by the original number
162 - 108 = 54
54 ÷ 108 = 0.5
0.5 x 100 = 50%
Example