-88.9% is the change from 892 to 99
Calculation steps:
[( 99 - 892 ) ÷ 892] x 100 = -88.9%
Formula
Percentage change = [(99 - 892) / 892] x 100
Subtract the new number by the original number
99 - 892 = -793
-793 ÷ 892 = -0.8890134529147982
-0.8890134529147982 x 100 = -88.9%