-77.96% is the change from 939 to 207
Calculation steps:
[( 207 - 939 ) ÷ 939] x 100 = -77.96%
Formula
Percentage change = [(207 - 939) / 939] x 100
Subtract the new number by the original number
207 - 939 = -732
-732 ÷ 939 = -0.7795527156549521
-0.7795527156549521 x 100 = -77.96%