-91.11% is the change from 720 to 64
Calculation steps:
[( 64 - 720 ) ÷ 720] x 100 = -91.11%
Formula
Percentage change = [(64 - 720) / 720] x 100
Subtract the new number by the original number
64 - 720 = -656
-656 ÷ 720 = -0.9111111111111111
-0.9111111111111111 x 100 = -91.11%