-55.97% is the change from 888 to 391
Calculation steps:
[( 391 - 888 ) ÷ 888] x 100 = -55.97%
Formula
Percentage change = [(391 - 888) / 888] x 100
Subtract the new number by the original number
391 - 888 = -497
-497 ÷ 888 = -0.5596846846846847
-0.5596846846846847 x 100 = -55.97%