-20.51% is the change from 868 to 690
Calculation steps:
[( 690 - 868 ) ÷ 868] x 100 = -20.51%
Formula
Percentage change = [(690 - 868) / 868] x 100
Subtract the new number by the original number
690 - 868 = -178
-178 ÷ 868 = -0.20506912442396313
-0.20506912442396313 x 100 = -20.51%