-91.23% is the change from 730 to 64
Calculation steps:
[( 64 - 730 ) ÷ 730] x 100 = -91.23%
Formula
Percentage change = [(64 - 730) / 730] x 100
Subtract the new number by the original number
64 - 730 = -666
-666 ÷ 730 = -0.9123287671232877
-0.9123287671232877 x 100 = -91.23%