-13.61% is the change from 360 to 311
Calculation steps:
[( 311 - 360 ) ÷ 360] x 100 = -13.61%
Formula
Percentage change = [(311 - 360) / 360] x 100
Subtract the new number by the original number
311 - 360 = -49
-49 ÷ 360 = -0.1361111111111111
-0.1361111111111111 x 100 = -13.61%
Example