-95.24% is the change from 273 to 13
Calculation steps:
[( 13 - 273 ) ÷ 273] x 100 = -95.24%
Formula
Percentage change = [(13 - 273) / 273] x 100
Subtract the new number by the original number
13 - 273 = -260
-260 ÷ 273 = -0.9523809523809523
-0.9523809523809523 x 100 = -95.24%