-34.52% is the change from 930 to 609
Calculation steps:
[( 609 - 930 ) ÷ 930] x 100 = -34.52%
Formula
Percentage change = [(609 - 930) / 930] x 100
Subtract the new number by the original number
609 - 930 = -321
-321 ÷ 930 = -0.34516129032258064
-0.34516129032258064 x 100 = -34.52%