-5.48% is the change from 913 to 863
Calculation steps:
[( 863 - 913 ) ÷ 913] x 100 = -5.48%
Formula
Percentage change = [(863 - 913) / 913] x 100
Subtract the new number by the original number
863 - 913 = -50
-50 ÷ 913 = -0.054764512595837894
-0.054764512595837894 x 100 = -5.48%