283.53% is the change from 85 to 326
Calculation steps:
[( 326 - 85 ) ÷ 85] x 100 = 283.53%
Formula
Percentage change = [(326 - 85) / 85] x 100
Subtract the new number by the original number
326 - 85 = 241
241 ÷ 85 = 2.835294117647059
2.835294117647059 x 100 = 283.53%