-79.77% is the change from 939 to 190
Calculation steps:
[( 190 - 939 ) ÷ 939] x 100 = -79.77%
Formula
Percentage change = [(190 - 939) / 939] x 100
Subtract the new number by the original number
190 - 939 = -749
-749 ÷ 939 = -0.7976570820021299
-0.7976570820021299 x 100 = -79.77%