-91.3% is the change from 897 to 78
Calculation steps:
[( 78 - 897 ) ÷ 897] x 100 = -91.3%
Formula
Percentage change = [(78 - 897) / 897] x 100
Subtract the new number by the original number
78 - 897 = -819
-819 ÷ 897 = -0.9130434782608695
-0.9130434782608695 x 100 = -91.3%