3150% is the change from 8 to 260
Calculation steps:
[( 260 - 8 ) ÷ 8] x 100 = 3150%
Formula
Percentage change = [(260 - 8) / 8] x 100
Subtract the new number by the original number
260 - 8 = 252
252 ÷ 8 = 31.5
31.5 x 100 = 3150%
Example