475% is the change from 28 to 161
Calculation steps:
[( 161 - 28 ) ÷ 28] x 100 = 475%
Formula
Percentage change = [(161 - 28) / 28] x 100
Subtract the new number by the original number
161 - 28 = 133
133 ÷ 28 = 4.75
4.75 x 100 = 475%
Example