-22.53% is the change from 861 to 667
Calculation steps:
[( 667 - 861 ) ÷ 861] x 100 = -22.53%
Formula
Percentage change = [(667 - 861) / 861] x 100
Subtract the new number by the original number
667 - 861 = -194
-194 ÷ 861 = -0.22531939605110338
-0.22531939605110338 x 100 = -22.53%