-47.35% is the change from 623 to 328
Calculation steps:
[( 328 - 623 ) ÷ 623] x 100 = -47.35%
Formula
Percentage change = [(328 - 623) / 623] x 100
Subtract the new number by the original number
328 - 623 = -295
-295 ÷ 623 = -0.47351524879614765
-0.47351524879614765 x 100 = -47.35%