-91.59% is the change from 927 to 78
Calculation steps:
[( 78 - 927 ) ÷ 927] x 100 = -91.59%
Formula
Percentage change = [(78 - 927) / 927] x 100
Subtract the new number by the original number
78 - 927 = -849
-849 ÷ 927 = -0.9158576051779935
-0.9158576051779935 x 100 = -91.59%