-56.77% is the change from 657 to 284
Calculation steps:
[( 284 - 657 ) ÷ 657] x 100 = -56.77%
Formula
Percentage change = [(284 - 657) / 657] x 100
Subtract the new number by the original number
284 - 657 = -373
-373 ÷ 657 = -0.5677321156773212
-0.5677321156773212 x 100 = -56.77%