-17.72% is the change from 378 to 311
Calculation steps:
[( 311 - 378 ) ÷ 378] x 100 = -17.72%
Formula
Percentage change = [(311 - 378) / 378] x 100
Subtract the new number by the original number
311 - 378 = -67
-67 ÷ 378 = -0.17724867724867724
-0.17724867724867724 x 100 = -17.72%