-98.1% is the change from 897 to 17
Calculation steps:
[( 17 - 897 ) ÷ 897] x 100 = -98.1%
Formula
Percentage change = [(17 - 897) / 897] x 100
Subtract the new number by the original number
17 - 897 = -880
-880 ÷ 897 = -0.9810479375696767
-0.9810479375696767 x 100 = -98.1%