380% is the change from 85 to 408
Calculation steps:
[( 408 - 85 ) ÷ 85] x 100 = 380%
Formula
Percentage change = [(408 - 85) / 85] x 100
Subtract the new number by the original number
408 - 85 = 323
323 ÷ 85 = 3.8
3.8 x 100 = 380%
Example