-91.64% is the change from 766 to 64
Calculation steps:
[( 64 - 766 ) ÷ 766] x 100 = -91.64%
Formula
Percentage change = [(64 - 766) / 766] x 100
Subtract the new number by the original number
64 - 766 = -702
-702 ÷ 766 = -0.9164490861618799
-0.9164490861618799 x 100 = -91.64%