-90.55% is the change from 889 to 84
Calculation steps:
[( 84 - 889 ) ÷ 889] x 100 = -90.55%
Formula
Percentage change = [(84 - 889) / 889] x 100
Subtract the new number by the original number
84 - 889 = -805
-805 ÷ 889 = -0.905511811023622
-0.905511811023622 x 100 = -90.55%