7775% is the change from 8 to 630
Calculation steps:
[( 630 - 8 ) ÷ 8] x 100 = 7775%
Formula
Percentage change = [(630 - 8) / 8] x 100
Subtract the new number by the original number
630 - 8 = 622
622 ÷ 8 = 77.75
77.75 x 100 = 7775%
Example