-96.88% is the change from 897 to 28
Calculation steps:
[( 28 - 897 ) ÷ 897] x 100 = -96.88%
Formula
Percentage change = [(28 - 897) / 897] x 100
Subtract the new number by the original number
28 - 897 = -869
-869 ÷ 897 = -0.9687848383500557
-0.9687848383500557 x 100 = -96.88%