-31.73% is the change from 813 to 555
Calculation steps:
[( 555 - 813 ) ÷ 813] x 100 = -31.73%
Formula
Percentage change = [(555 - 813) / 813] x 100
Subtract the new number by the original number
555 - 813 = -258
-258 ÷ 813 = -0.3173431734317343
-0.3173431734317343 x 100 = -31.73%