300% is the change from 29 to 116
Calculation steps:
[( 116 - 29 ) ÷ 29] x 100 = 300%
Formula
Percentage change = [(116 - 29) / 29] x 100
Subtract the new number by the original number
116 - 29 = 87
87 ÷ 29 = 3
3 x 100 = 300%
Example