-68.95% is the change from 657 to 204
Calculation steps:
[( 204 - 657 ) ÷ 657] x 100 = -68.95%
Formula
Percentage change = [(204 - 657) / 657] x 100
Subtract the new number by the original number
204 - 657 = -453
-453 ÷ 657 = -0.6894977168949772
-0.6894977168949772 x 100 = -68.95%