-76.81% is the change from 927 to 215
Calculation steps:
[( 215 - 927 ) ÷ 927] x 100 = -76.81%
Formula
Percentage change = [(215 - 927) / 927] x 100
Subtract the new number by the original number
215 - 927 = -712
-712 ÷ 927 = -0.7680690399137001
-0.7680690399137001 x 100 = -76.81%