3475% is the change from 8 to 286
Calculation steps:
[( 286 - 8 ) ÷ 8] x 100 = 3475%
Formula
Percentage change = [(286 - 8) / 8] x 100
Subtract the new number by the original number
286 - 8 = 278
278 ÷ 8 = 34.75
34.75 x 100 = 3475%
Example