-43.77% is the change from 939 to 528
Calculation steps:
[( 528 - 939 ) ÷ 939] x 100 = -43.77%
Formula
Percentage change = [(528 - 939) / 939] x 100
Subtract the new number by the original number
528 - 939 = -411
-411 ÷ 939 = -0.43769968051118213
-0.43769968051118213 x 100 = -43.77%