-94.78% is the change from 249 to 13
Calculation steps:
[( 13 - 249 ) ÷ 249] x 100 = -94.78%
Formula
Percentage change = [(13 - 249) / 249] x 100
Subtract the new number by the original number
13 - 249 = -236
-236 ÷ 249 = -0.9477911646586346
-0.9477911646586346 x 100 = -94.78%