-16.32% is the change from 380 to 318
Calculation steps:
[( 318 - 380 ) ÷ 380] x 100 = -16.32%
Formula
Percentage change = [(318 - 380) / 380] x 100
Subtract the new number by the original number
318 - 380 = -62
-62 ÷ 380 = -0.1631578947368421
-0.1631578947368421 x 100 = -16.32%