-93.69% is the change from 871 to 55
Calculation steps:
[( 55 - 871 ) ÷ 871] x 100 = -93.69%
Formula
Percentage change = [(55 - 871) / 871] x 100
Subtract the new number by the original number
55 - 871 = -816
-816 ÷ 871 = -0.9368541905855339
-0.9368541905855339 x 100 = -93.69%