-91.91% is the change from 791 to 64
Calculation steps:
[( 64 - 791 ) ÷ 791] x 100 = -91.91%
Formula
Percentage change = [(64 - 791) / 791] x 100
Subtract the new number by the original number
64 - 791 = -727
-727 ÷ 791 = -0.9190897597977244
-0.9190897597977244 x 100 = -91.91%