-37.3% is the change from 311 to 195
Calculation steps:
[( 195 - 311 ) ÷ 311] x 100 = -37.3%
Formula
Percentage change = [(195 - 311) / 311] x 100
Subtract the new number by the original number
195 - 311 = -116
-116 ÷ 311 = -0.3729903536977492
-0.3729903536977492 x 100 = -37.3%