147.5% is the change from 80 to 198
Calculation steps:
[( 198 - 80 ) ÷ 80] x 100 = 147.5%
Formula
Percentage change = [(198 - 80) / 80] x 100
Subtract the new number by the original number
198 - 80 = 118
118 ÷ 80 = 1.475
1.475 x 100 = 147.5%
Example