325% is the change from 20 to 85
Calculation steps:
[( 85 - 20 ) ÷ 20] x 100 = 325%
Formula
Percentage change = [(85 - 20) / 20] x 100
Subtract the new number by the original number
85 - 20 = 65
65 ÷ 20 = 3.25
3.25 x 100 = 325%
Example