-96.46% is the change from 311 to 11
Calculation steps:
[( 11 - 311 ) ÷ 311] x 100 = -96.46%
Formula
Percentage change = [(11 - 311) / 311] x 100
Subtract the new number by the original number
11 - 311 = -300
-300 ÷ 311 = -0.9646302250803859
-0.9646302250803859 x 100 = -96.46%