-28.31% is the change from 611 to 438
Calculation steps:
[( 438 - 611 ) ÷ 611] x 100 = -28.31%
Formula
Percentage change = [(438 - 611) / 611] x 100
Subtract the new number by the original number
438 - 611 = -173
-173 ÷ 611 = -0.28314238952536824
-0.28314238952536824 x 100 = -28.31%