-22.04% is the change from 871 to 679
Calculation steps:
[( 679 - 871 ) ÷ 871] x 100 = -22.04%
Formula
Percentage change = [(679 - 871) / 871] x 100
Subtract the new number by the original number
679 - 871 = -192
-192 ÷ 871 = -0.22043628013777267
-0.22043628013777267 x 100 = -22.04%