-92.82% is the change from 891 to 64
Calculation steps:
[( 64 - 891 ) ÷ 891] x 100 = -92.82%
Formula
Percentage change = [(64 - 891) / 891] x 100
Subtract the new number by the original number
64 - 891 = -827
-827 ÷ 891 = -0.9281705948372615
-0.9281705948372615 x 100 = -92.82%