-75.15% is the change from 861 to 214
Calculation steps:
[( 214 - 861 ) ÷ 861] x 100 = -75.15%
Formula
Percentage change = [(214 - 861) / 861] x 100
Subtract the new number by the original number
214 - 861 = -647
-647 ÷ 861 = -0.7514518002322881
-0.7514518002322881 x 100 = -75.15%