-76.07% is the change from 861 to 206
Calculation steps:
[( 206 - 861 ) ÷ 861] x 100 = -76.07%
Formula
Percentage change = [(206 - 861) / 861] x 100
Subtract the new number by the original number
206 - 861 = -655
-655 ÷ 861 = -0.7607433217189314
-0.7607433217189314 x 100 = -76.07%