6300% is the change from 8 to 512
Calculation steps:
[( 512 - 8 ) ÷ 8] x 100 = 6300%
Formula
Percentage change = [(512 - 8) / 8] x 100
Subtract the new number by the original number
512 - 8 = 504
504 ÷ 8 = 63
63 x 100 = 6300%
Example