-33.23% is the change from 939 to 627
Calculation steps:
[( 627 - 939 ) ÷ 939] x 100 = -33.23%
Formula
Percentage change = [(627 - 939) / 939] x 100
Subtract the new number by the original number
627 - 939 = -312
-312 ÷ 939 = -0.33226837060702874
-0.33226837060702874 x 100 = -33.23%