-90.76% is the change from 671 to 62
Calculation steps:
[( 62 - 671 ) ÷ 671] x 100 = -90.76%
Formula
Percentage change = [(62 - 671) / 671] x 100
Subtract the new number by the original number
62 - 671 = -609
-609 ÷ 671 = -0.9076005961251863
-0.9076005961251863 x 100 = -90.76%