-93.66% is the change from 867 to 55
Calculation steps:
[( 55 - 867 ) ÷ 867] x 100 = -93.66%
Formula
Percentage change = [(55 - 867) / 867] x 100
Subtract the new number by the original number
55 - 867 = -812
-812 ÷ 867 = -0.936562860438293
-0.936562860438293 x 100 = -93.66%