-99.23% is the change from 913 to 7
Calculation steps:
[( 7 - 913 ) ÷ 913] x 100 = -99.23%
Formula
Percentage change = [(7 - 913) / 913] x 100
Subtract the new number by the original number
7 - 913 = -906
-906 ÷ 913 = -0.9923329682365827
-0.9923329682365827 x 100 = -99.23%