274.12% is the change from 85 to 318
Calculation steps:
[( 318 - 85 ) ÷ 85] x 100 = 274.12%
Formula
Percentage change = [(318 - 85) / 85] x 100
Subtract the new number by the original number
318 - 85 = 233
233 ÷ 85 = 2.7411764705882353
2.7411764705882353 x 100 = 274.12%