-83.28% is the change from 927 to 155
Calculation steps:
[( 155 - 927 ) ÷ 927] x 100 = -83.28%
Formula
Percentage change = [(155 - 927) / 927] x 100
Subtract the new number by the original number
155 - 927 = -772
-772 ÷ 927 = -0.8327939590075513
-0.8327939590075513 x 100 = -83.28%