-89.91% is the change from 674 to 68
Calculation steps:
[( 68 - 674 ) ÷ 674] x 100 = -89.91%
Formula
Percentage change = [(68 - 674) / 674] x 100
Subtract the new number by the original number
68 - 674 = -606
-606 ÷ 674 = -0.8991097922848664
-0.8991097922848664 x 100 = -89.91%