260% is the change from 30 to 108
Calculation steps:
[( 108 - 30 ) ÷ 30] x 100 = 260%
Formula
Percentage change = [(108 - 30) / 30] x 100
Subtract the new number by the original number
108 - 30 = 78
78 ÷ 30 = 2.6
2.6 x 100 = 260%
Example