-16.8% is the change from 387 to 322
Calculation steps:
[( 322 - 387 ) ÷ 387] x 100 = -16.8%
Formula
Percentage change = [(322 - 387) / 387] x 100
Subtract the new number by the original number
322 - 387 = -65
-65 ÷ 387 = -0.16795865633074936
-0.16795865633074936 x 100 = -16.8%