-98.63% is the change from 946 to 13
Calculation steps:
[( 13 - 946 ) ÷ 946] x 100 = -98.63%
Formula
Percentage change = [(13 - 946) / 946] x 100
Subtract the new number by the original number
13 - 946 = -933
-933 ÷ 946 = -0.9862579281183932
-0.9862579281183932 x 100 = -98.63%