8037.5% is the change from 8 to 651
Calculation steps:
[( 651 - 8 ) ÷ 8] x 100 = 8037.5%
Formula
Percentage change = [(651 - 8) / 8] x 100
Subtract the new number by the original number
651 - 8 = 643
643 ÷ 8 = 80.375
80.375 x 100 = 8037.5%
Example