-90.08% is the change from 897 to 89
Calculation steps:
[( 89 - 897 ) ÷ 897] x 100 = -90.08%
Formula
Percentage change = [(89 - 897) / 897] x 100
Subtract the new number by the original number
89 - 897 = -808
-808 ÷ 897 = -0.9007803790412486
-0.9007803790412486 x 100 = -90.08%