450% is the change from 28 to 154
Calculation steps:
[( 154 - 28 ) ÷ 28] x 100 = 450%
Formula
Percentage change = [(154 - 28) / 28] x 100
Subtract the new number by the original number
154 - 28 = 126
126 ÷ 28 = 4.5
4.5 x 100 = 450%
Example