-7.81% is the change from 64 to 59
Calculation steps:
[( 59 - 64 ) ÷ 64] x 100 = -7.81%
Formula
Percentage change = [(59 - 64) / 64] x 100
Subtract the new number by the original number
59 - 64 = -5
-5 ÷ 64 = -0.078125
-0.078125 x 100 = -7.81%
Example