292.94% is the change from 85 to 334
Calculation steps:
[( 334 - 85 ) ÷ 85] x 100 = 292.94%
Formula
Percentage change = [(334 - 85) / 85] x 100
Subtract the new number by the original number
334 - 85 = 249
249 ÷ 85 = 2.929411764705882
2.929411764705882 x 100 = 292.94%