250.59% is the change from 85 to 298
Calculation steps:
[( 298 - 85 ) ÷ 85] x 100 = 250.59%
Formula
Percentage change = [(298 - 85) / 85] x 100
Subtract the new number by the original number
298 - 85 = 213
213 ÷ 85 = 2.5058823529411764
2.5058823529411764 x 100 = 250.59%