3187.5% is the change from 8 to 263
Calculation steps:
[( 263 - 8 ) ÷ 8] x 100 = 3187.5%
Formula
Percentage change = [(263 - 8) / 8] x 100
Subtract the new number by the original number
263 - 8 = 255
255 ÷ 8 = 31.875
31.875 x 100 = 3187.5%
Example