-30.24% is the change from 939 to 655
Calculation steps:
[( 655 - 939 ) ÷ 939] x 100 = -30.24%
Formula
Percentage change = [(655 - 939) / 939] x 100
Subtract the new number by the original number
655 - 939 = -284
-284 ÷ 939 = -0.30244941427050054
-0.30244941427050054 x 100 = -30.24%