-99.22% is the change from 897 to 7
Calculation steps:
[( 7 - 897 ) ÷ 897] x 100 = -99.22%
Formula
Percentage change = [(7 - 897) / 897] x 100
Subtract the new number by the original number
7 - 897 = -890
-890 ÷ 897 = -0.992196209587514
-0.992196209587514 x 100 = -99.22%