-98.52% is the change from 674 to 10
Calculation steps:
[( 10 - 674 ) ÷ 674] x 100 = -98.52%
Formula
Percentage change = [(10 - 674) / 674] x 100
Subtract the new number by the original number
10 - 674 = -664
-664 ÷ 674 = -0.9851632047477745
-0.9851632047477745 x 100 = -98.52%