-91.15% is the change from 723 to 64
Calculation steps:
[( 64 - 723 ) ÷ 723] x 100 = -91.15%
Formula
Percentage change = [(64 - 723) / 723] x 100
Subtract the new number by the original number
64 - 723 = -659
-659 ÷ 723 = -0.9114799446749654
-0.9114799446749654 x 100 = -91.15%