-91.17% is the change from 668 to 59
Calculation steps:
[( 59 - 668 ) ÷ 668] x 100 = -91.17%
Formula
Percentage change = [(59 - 668) / 668] x 100
Subtract the new number by the original number
59 - 668 = -609
-609 ÷ 668 = -0.9116766467065869
-0.9116766467065869 x 100 = -91.17%