-90.09% is the change from 676 to 67
Calculation steps:
[( 67 - 676 ) ÷ 676] x 100 = -90.09%
Formula
Percentage change = [(67 - 676) / 676] x 100
Subtract the new number by the original number
67 - 676 = -609
-609 ÷ 676 = -0.900887573964497
-0.900887573964497 x 100 = -90.09%