300% is the change from 36 to 144
Calculation steps:
[( 144 - 36 ) ÷ 36] x 100 = 300%
Formula
Percentage change = [(144 - 36) / 36] x 100
Subtract the new number by the original number
144 - 36 = 108
108 ÷ 36 = 3
3 x 100 = 300%
Example