-16.01% is the change from 381 to 320
Calculation steps:
[( 320 - 381 ) ÷ 381] x 100 = -16.01%
Formula
Percentage change = [(320 - 381) / 381] x 100
Subtract the new number by the original number
320 - 381 = -61
-61 ÷ 381 = -0.16010498687664043
-0.16010498687664043 x 100 = -16.01%