193.33% is the change from 30 to 88
Calculation steps:
[( 88 - 30 ) ÷ 30] x 100 = 193.33%
Formula
Percentage change = [(88 - 30) / 30] x 100
Subtract the new number by the original number
88 - 30 = 58
58 ÷ 30 = 1.9333333333333333
1.9333333333333333 x 100 = 193.33%