2987.5% is the change from 8 to 247
Calculation steps:
[( 247 - 8 ) ÷ 8] x 100 = 2987.5%
Formula
Percentage change = [(247 - 8) / 8] x 100
Subtract the new number by the original number
247 - 8 = 239
239 ÷ 8 = 29.875
29.875 x 100 = 2987.5%
Example