-92.31% is the change from 832 to 64
Calculation steps:
[( 64 - 832 ) ÷ 832] x 100 = -92.31%
Formula
Percentage change = [(64 - 832) / 832] x 100
Subtract the new number by the original number
64 - 832 = -768
-768 ÷ 832 = -0.9230769230769231
-0.9230769230769231 x 100 = -92.31%