473.33% is the change from 30 to 172
Calculation steps:
[( 172 - 30 ) ÷ 30] x 100 = 473.33%
Formula
Percentage change = [(172 - 30) / 30] x 100
Subtract the new number by the original number
172 - 30 = 142
142 ÷ 30 = 4.733333333333333
4.733333333333333 x 100 = 473.33%