-76.92% is the change from 13 to 3
Calculation steps:
[( 3 - 13 ) ÷ 13] x 100 = -76.92%
Formula
Percentage change = [(3 - 13) / 13] x 100
Subtract the new number by the original number
3 - 13 = -10
-10 ÷ 13 = -0.7692307692307693
-0.7692307692307693 x 100 = -76.92%