-33.12% is the change from 933 to 624
Calculation steps:
[( 624 - 933 ) ÷ 933] x 100 = -33.12%
Formula
Percentage change = [(624 - 933) / 933] x 100
Subtract the new number by the original number
624 - 933 = -309
-309 ÷ 933 = -0.3311897106109325
-0.3311897106109325 x 100 = -33.12%