4950% is the change from 8 to 404
Calculation steps:
[( 404 - 8 ) ÷ 8] x 100 = 4950%
Formula
Percentage change = [(404 - 8) / 8] x 100
Subtract the new number by the original number
404 - 8 = 396
396 ÷ 8 = 49.5
49.5 x 100 = 4950%
Example