132.1% is the change from 81 to 188
Calculation steps:
[( 188 - 81 ) ÷ 81] x 100 = 132.1%
Formula
Percentage change = [(188 - 81) / 81] x 100
Subtract the new number by the original number
188 - 81 = 107
107 ÷ 81 = 1.3209876543209877
1.3209876543209877 x 100 = 132.1%