-31.78% is the change from 623 to 425
Calculation steps:
[( 425 - 623 ) ÷ 623] x 100 = -31.78%
Formula
Percentage change = [(425 - 623) / 623] x 100
Subtract the new number by the original number
425 - 623 = -198
-198 ÷ 623 = -0.31781701444622795
-0.31781701444622795 x 100 = -31.78%