-90.94% is the change from 894 to 81
Calculation steps:
[( 81 - 894 ) ÷ 894] x 100 = -90.94%
Formula
Percentage change = [(81 - 894) / 894] x 100
Subtract the new number by the original number
81 - 894 = -813
-813 ÷ 894 = -0.9093959731543624
-0.9093959731543624 x 100 = -90.94%