-96.14% is the change from 673 to 26
Calculation steps:
[( 26 - 673 ) ÷ 673] x 100 = -96.14%
Formula
Percentage change = [(26 - 673) / 673] x 100
Subtract the new number by the original number
26 - 673 = -647
-647 ÷ 673 = -0.9613670133729569
-0.9613670133729569 x 100 = -96.14%