-95.29% is the change from 276 to 13
Calculation steps:
[( 13 - 276 ) ÷ 276] x 100 = -95.29%
Formula
Percentage change = [(13 - 276) / 276] x 100
Subtract the new number by the original number
13 - 276 = -263
-263 ÷ 276 = -0.9528985507246377
-0.9528985507246377 x 100 = -95.29%