440% is the change from 30 to 162
Calculation steps:
[( 162 - 30 ) ÷ 30] x 100 = 440%
Formula
Percentage change = [(162 - 30) / 30] x 100
Subtract the new number by the original number
162 - 30 = 132
132 ÷ 30 = 4.4
4.4 x 100 = 440%
Example