-96.04% is the change from 657 to 26
Calculation steps:
[( 26 - 657 ) ÷ 657] x 100 = -96.04%
Formula
Percentage change = [(26 - 657) / 657] x 100
Subtract the new number by the original number
26 - 657 = -631
-631 ÷ 657 = -0.9604261796042618
-0.9604261796042618 x 100 = -96.04%