-55.79% is the change from 803 to 355
Calculation steps:
[( 355 - 803 ) ÷ 803] x 100 = -55.79%
Formula
Percentage change = [(355 - 803) / 803] x 100
Subtract the new number by the original number
355 - 803 = -448
-448 ÷ 803 = -0.5579078455790785
-0.5579078455790785 x 100 = -55.79%