-94.76% is the change from 248 to 13
Calculation steps:
[( 13 - 248 ) ÷ 248] x 100 = -94.76%
Formula
Percentage change = [(13 - 248) / 248] x 100
Subtract the new number by the original number
13 - 248 = -235
-235 ÷ 248 = -0.9475806451612904
-0.9475806451612904 x 100 = -94.76%