4900% is the change from 3 to 150
Calculation steps:
[( 150 - 3 ) ÷ 3] x 100 = 4900%
Formula
Percentage change = [(150 - 3) / 3] x 100
Subtract the new number by the original number
150 - 3 = 147
147 ÷ 3 = 49
49 x 100 = 4900%
Example