-7.96% is the change from 892 to 821
Calculation steps:
[( 821 - 892 ) ÷ 892] x 100 = -7.96%
Formula
Percentage change = [(821 - 892) / 892] x 100
Subtract the new number by the original number
821 - 892 = -71
-71 ÷ 892 = -0.0795964125560538
-0.0795964125560538 x 100 = -7.96%