3000% is the change from 5 to 155
Calculation steps:
[( 155 - 5 ) ÷ 5] x 100 = 3000%
Formula
Percentage change = [(155 - 5) / 5] x 100
Subtract the new number by the original number
155 - 5 = 150
150 ÷ 5 = 30
30 x 100 = 3000%
Example