-29.82% is the change from 939 to 659
Calculation steps:
[( 659 - 939 ) ÷ 939] x 100 = -29.82%
Formula
Percentage change = [(659 - 939) / 939] x 100
Subtract the new number by the original number
659 - 939 = -280
-280 ÷ 939 = -0.29818956336528224
-0.29818956336528224 x 100 = -29.82%