-38.91% is the change from 311 to 190
Calculation steps:
[( 190 - 311 ) ÷ 311] x 100 = -38.91%
Formula
Percentage change = [(190 - 311) / 311] x 100
Subtract the new number by the original number
190 - 311 = -121
-121 ÷ 311 = -0.3890675241157556
-0.3890675241157556 x 100 = -38.91%