-3.07% is the change from 391 to 379
Calculation steps:
[( 379 - 391 ) ÷ 391] x 100 = -3.07%
Formula
Percentage change = [(379 - 391) / 391] x 100
Subtract the new number by the original number
379 - 391 = -12
-12 ÷ 391 = -0.030690537084398978
-0.030690537084398978 x 100 = -3.07%