-78.17% is the change from 939 to 205
Calculation steps:
[( 205 - 939 ) ÷ 939] x 100 = -78.17%
Formula
Percentage change = [(205 - 939) / 939] x 100
Subtract the new number by the original number
205 - 939 = -734
-734 ÷ 939 = -0.7816826411075612
-0.7816826411075612 x 100 = -78.17%