294.12% is the change from 85 to 335
Calculation steps:
[( 335 - 85 ) ÷ 85] x 100 = 294.12%
Formula
Percentage change = [(335 - 85) / 85] x 100
Subtract the new number by the original number
335 - 85 = 250
250 ÷ 85 = 2.9411764705882355
2.9411764705882355 x 100 = 294.12%