120.99% is the change from 81 to 179
Calculation steps:
[( 179 - 81 ) ÷ 81] x 100 = 120.99%
Formula
Percentage change = [(179 - 81) / 81] x 100
Subtract the new number by the original number
179 - 81 = 98
98 ÷ 81 = 1.2098765432098766
1.2098765432098766 x 100 = 120.99%