-36.66% is the change from 311 to 197
Calculation steps:
[( 197 - 311 ) ÷ 311] x 100 = -36.66%
Formula
Percentage change = [(197 - 311) / 311] x 100
Subtract the new number by the original number
197 - 311 = -114
-114 ÷ 311 = -0.3665594855305466
-0.3665594855305466 x 100 = -36.66%