-90.91% is the change from 649 to 59
Calculation steps:
[( 59 - 649 ) ÷ 649] x 100 = -90.91%
Formula
Percentage change = [(59 - 649) / 649] x 100
Subtract the new number by the original number
59 - 649 = -590
-590 ÷ 649 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%