-98.57% is the change from 910 to 13
Calculation steps:
[( 13 - 910 ) ÷ 910] x 100 = -98.57%
Formula
Percentage change = [(13 - 910) / 910] x 100
Subtract the new number by the original number
13 - 910 = -897
-897 ÷ 910 = -0.9857142857142858
-0.9857142857142858 x 100 = -98.57%