3550% is the change from 4 to 146
Calculation steps:
[( 146 - 4 ) ÷ 4] x 100 = 3550%
Formula
Percentage change = [(146 - 4) / 4] x 100
Subtract the new number by the original number
146 - 4 = 142
142 ÷ 4 = 35.5
35.5 x 100 = 3550%
Example