-16.54% is the change from 381 to 318
Calculation steps:
[( 318 - 381 ) ÷ 381] x 100 = -16.54%
Formula
Percentage change = [(318 - 381) / 381] x 100
Subtract the new number by the original number
318 - 381 = -63
-63 ÷ 381 = -0.16535433070866143
-0.16535433070866143 x 100 = -16.54%