8437.5% is the change from 8 to 683
Calculation steps:
[( 683 - 8 ) ÷ 8] x 100 = 8437.5%
Formula
Percentage change = [(683 - 8) / 8] x 100
Subtract the new number by the original number
683 - 8 = 675
675 ÷ 8 = 84.375
84.375 x 100 = 8437.5%
Example