8200% is the change from 3 to 249
Calculation steps:
[( 249 - 3 ) ÷ 3] x 100 = 8200%
Formula
Percentage change = [(249 - 3) / 3] x 100
Subtract the new number by the original number
249 - 3 = 246
246 ÷ 3 = 82
82 x 100 = 8200%
Example