-91.27% is the change from 893 to 78
Calculation steps:
[( 78 - 893 ) ÷ 893] x 100 = -91.27%
Formula
Percentage change = [(78 - 893) / 893] x 100
Subtract the new number by the original number
78 - 893 = -815
-815 ÷ 893 = -0.9126539753639418
-0.9126539753639418 x 100 = -91.27%