-56.33% is the change from 813 to 355
Calculation steps:
[( 355 - 813 ) ÷ 813] x 100 = -56.33%
Formula
Percentage change = [(355 - 813) / 813] x 100
Subtract the new number by the original number
355 - 813 = -458
-458 ÷ 813 = -0.5633456334563346
-0.5633456334563346 x 100 = -56.33%