-90.15% is the change from 904 to 89
Calculation steps:
[( 89 - 904 ) ÷ 904] x 100 = -90.15%
Formula
Percentage change = [(89 - 904) / 904] x 100
Subtract the new number by the original number
89 - 904 = -815
-815 ÷ 904 = -0.9015486725663717
-0.9015486725663717 x 100 = -90.15%