3700% is the change from 8 to 304
Calculation steps:
[( 304 - 8 ) ÷ 8] x 100 = 3700%
Formula
Percentage change = [(304 - 8) / 8] x 100
Subtract the new number by the original number
304 - 8 = 296
296 ÷ 8 = 37
37 x 100 = 3700%
Example