-99.12% is the change from 913 to 8
Calculation steps:
[( 8 - 913 ) ÷ 913] x 100 = -99.12%
Formula
Percentage change = [(8 - 913) / 913] x 100
Subtract the new number by the original number
8 - 913 = -905
-905 ÷ 913 = -0.9912376779846659
-0.9912376779846659 x 100 = -99.12%