-27.31% is the change from 886 to 644
Calculation steps:
[( 644 - 886 ) ÷ 886] x 100 = -27.31%
Formula
Percentage change = [(644 - 886) / 886] x 100
Subtract the new number by the original number
644 - 886 = -242
-242 ÷ 886 = -0.27313769751693
-0.27313769751693 x 100 = -27.31%