-56.62% is the change from 657 to 285
Calculation steps:
[( 285 - 657 ) ÷ 657] x 100 = -56.62%
Formula
Percentage change = [(285 - 657) / 657] x 100
Subtract the new number by the original number
285 - 657 = -372
-372 ÷ 657 = -0.5662100456621004
-0.5662100456621004 x 100 = -56.62%