-82.11% is the change from 939 to 168
Calculation steps:
[( 168 - 939 ) ÷ 939] x 100 = -82.11%
Formula
Percentage change = [(168 - 939) / 939] x 100
Subtract the new number by the original number
168 - 939 = -771
-771 ÷ 939 = -0.8210862619808307
-0.8210862619808307 x 100 = -82.11%