428.24% is the change from 85 to 449
Calculation steps:
[( 449 - 85 ) ÷ 85] x 100 = 428.24%
Formula
Percentage change = [(449 - 85) / 85] x 100
Subtract the new number by the original number
449 - 85 = 364
364 ÷ 85 = 4.2823529411764705
4.2823529411764705 x 100 = 428.24%