-82.43% is the change from 939 to 165
Calculation steps:
[( 165 - 939 ) ÷ 939] x 100 = -82.43%
Formula
Percentage change = [(165 - 939) / 939] x 100
Subtract the new number by the original number
165 - 939 = -774
-774 ÷ 939 = -0.8242811501597445
-0.8242811501597445 x 100 = -82.43%