-97.65% is the change from 892 to 21
Calculation steps:
[( 21 - 892 ) ÷ 892] x 100 = -97.65%
Formula
Percentage change = [(21 - 892) / 892] x 100
Subtract the new number by the original number
21 - 892 = -871
-871 ÷ 892 = -0.976457399103139
-0.976457399103139 x 100 = -97.65%