-74.91% is the change from 861 to 216
Calculation steps:
[( 216 - 861 ) ÷ 861] x 100 = -74.91%
Formula
Percentage change = [(216 - 861) / 861] x 100
Subtract the new number by the original number
216 - 861 = -645
-645 ÷ 861 = -0.7491289198606271
-0.7491289198606271 x 100 = -74.91%