-48.31% is the change from 623 to 322
Calculation steps:
[( 322 - 623 ) ÷ 623] x 100 = -48.31%
Formula
Percentage change = [(322 - 623) / 623] x 100
Subtract the new number by the original number
322 - 623 = -301
-301 ÷ 623 = -0.48314606741573035
-0.48314606741573035 x 100 = -48.31%