-66.2% is the change from 861 to 291
Calculation steps:
[( 291 - 861 ) ÷ 861] x 100 = -66.2%
Formula
Percentage change = [(291 - 861) / 861] x 100
Subtract the new number by the original number
291 - 861 = -570
-570 ÷ 861 = -0.662020905923345
-0.662020905923345 x 100 = -66.2%