-54.9% is the change from 623 to 281
Calculation steps:
[( 281 - 623 ) ÷ 623] x 100 = -54.9%
Formula
Percentage change = [(281 - 623) / 623] x 100
Subtract the new number by the original number
281 - 623 = -342
-342 ÷ 623 = -0.5489566613162119
-0.5489566613162119 x 100 = -54.9%