297.65% is the change from 85 to 338
Calculation steps:
[( 338 - 85 ) ÷ 85] x 100 = 297.65%
Formula
Percentage change = [(338 - 85) / 85] x 100
Subtract the new number by the original number
338 - 85 = 253
253 ÷ 85 = 2.976470588235294
2.976470588235294 x 100 = 297.65%