340% is the change from 30 to 132
Calculation steps:
[( 132 - 30 ) ÷ 30] x 100 = 340%
Formula
Percentage change = [(132 - 30) / 30] x 100
Subtract the new number by the original number
132 - 30 = 102
102 ÷ 30 = 3.4
3.4 x 100 = 340%
Example