-0.99% is the change from 913 to 904
Calculation steps:
[( 904 - 913 ) ÷ 913] x 100 = -0.99%
Formula
Percentage change = [(904 - 913) / 913] x 100
Subtract the new number by the original number
904 - 913 = -9
-9 ÷ 913 = -0.009857612267250822
-0.009857612267250822 x 100 = -0.99%