-19.86% is the change from 861 to 690
Calculation steps:
[( 690 - 861 ) ÷ 861] x 100 = -19.86%
Formula
Percentage change = [(690 - 861) / 861] x 100
Subtract the new number by the original number
690 - 861 = -171
-171 ÷ 861 = -0.1986062717770035
-0.1986062717770035 x 100 = -19.86%