-76.23% is the change from 871 to 207
Calculation steps:
[( 207 - 871 ) ÷ 871] x 100 = -76.23%
Formula
Percentage change = [(207 - 871) / 871] x 100
Subtract the new number by the original number
207 - 871 = -664
-664 ÷ 871 = -0.7623421354764638
-0.7623421354764638 x 100 = -76.23%