8700% is the change from 8 to 704
Calculation steps:
[( 704 - 8 ) ÷ 8] x 100 = 8700%
Formula
Percentage change = [(704 - 8) / 8] x 100
Subtract the new number by the original number
704 - 8 = 696
696 ÷ 8 = 87
87 x 100 = 8700%
Example