-53.45% is the change from 623 to 290
Calculation steps:
[( 290 - 623 ) ÷ 623] x 100 = -53.45%
Formula
Percentage change = [(290 - 623) / 623] x 100
Subtract the new number by the original number
290 - 623 = -333
-333 ÷ 623 = -0.5345104333868379
-0.5345104333868379 x 100 = -53.45%