-17.51% is the change from 377 to 311
Calculation steps:
[( 311 - 377 ) ÷ 377] x 100 = -17.51%
Formula
Percentage change = [(311 - 377) / 377] x 100
Subtract the new number by the original number
311 - 377 = -66
-66 ÷ 377 = -0.17506631299734748
-0.17506631299734748 x 100 = -17.51%