-98.56% is the change from 901 to 13
Calculation steps:
[( 13 - 901 ) ÷ 901] x 100 = -98.56%
Formula
Percentage change = [(13 - 901) / 901] x 100
Subtract the new number by the original number
13 - 901 = -888
-888 ÷ 901 = -0.9855715871254163
-0.9855715871254163 x 100 = -98.56%