-88.95% is the change from 579 to 64
Calculation steps:
[( 64 - 579 ) ÷ 579] x 100 = -88.95%
Formula
Percentage change = [(64 - 579) / 579] x 100
Subtract the new number by the original number
64 - 579 = -515
-515 ÷ 579 = -0.8894645941278065
-0.8894645941278065 x 100 = -88.95%