-90.38% is the change from 894 to 86
Calculation steps:
[( 86 - 894 ) ÷ 894] x 100 = -90.38%
Formula
Percentage change = [(86 - 894) / 894] x 100
Subtract the new number by the original number
86 - 894 = -808
-808 ÷ 894 = -0.9038031319910514
-0.9038031319910514 x 100 = -90.38%