-75.96% is the change from 861 to 207
Calculation steps:
[( 207 - 861 ) ÷ 861] x 100 = -75.96%
Formula
Percentage change = [(207 - 861) / 861] x 100
Subtract the new number by the original number
207 - 861 = -654
-654 ÷ 861 = -0.759581881533101
-0.759581881533101 x 100 = -75.96%