6912.5% is the change from 8 to 561
Calculation steps:
[( 561 - 8 ) ÷ 8] x 100 = 6912.5%
Formula
Percentage change = [(561 - 8) / 8] x 100
Subtract the new number by the original number
561 - 8 = 553
553 ÷ 8 = 69.125
69.125 x 100 = 6912.5%
Example