47.62% is the change from 105 to 155
Calculation steps:
[( 155 - 105 ) ÷ 105] x 100 = 47.62%
Formula
Percentage change = [(155 - 105) / 105] x 100
Subtract the new number by the original number
155 - 105 = 50
50 ÷ 105 = 0.47619047619047616
0.47619047619047616 x 100 = 47.62%