181.25% is the change from 80 to 225
Calculation steps:
[( 225 - 80 ) ÷ 80] x 100 = 181.25%
Formula
Percentage change = [(225 - 80) / 80] x 100
Subtract the new number by the original number
225 - 80 = 145
145 ÷ 80 = 1.8125
1.8125 x 100 = 181.25%
Example