-98.57% is the change from 906 to 13
Calculation steps:
[( 13 - 906 ) ÷ 906] x 100 = -98.57%
Formula
Percentage change = [(13 - 906) / 906] x 100
Subtract the new number by the original number
13 - 906 = -893
-893 ÷ 906 = -0.9856512141280354
-0.9856512141280354 x 100 = -98.57%