-98.8% is the change from 913 to 11
Calculation steps:
[( 11 - 913 ) ÷ 913] x 100 = -98.8%
Formula
Percentage change = [(11 - 913) / 913] x 100
Subtract the new number by the original number
11 - 913 = -902
-902 ÷ 913 = -0.9879518072289156
-0.9879518072289156 x 100 = -98.8%