98.72% is the change from 78 to 155
Calculation steps:
[( 155 - 78 ) ÷ 78] x 100 = 98.72%
Formula
Percentage change = [(155 - 78) / 78] x 100
Subtract the new number by the original number
155 - 78 = 77
77 ÷ 78 = 0.9871794871794872
0.9871794871794872 x 100 = 98.72%