-7.94% is the change from 894 to 823
Calculation steps:
[( 823 - 894 ) ÷ 894] x 100 = -7.94%
Formula
Percentage change = [(823 - 894) / 894] x 100
Subtract the new number by the original number
823 - 894 = -71
-71 ÷ 894 = -0.07941834451901567
-0.07941834451901567 x 100 = -7.94%