-30.88% is the change from 803 to 555
Calculation steps:
[( 555 - 803 ) ÷ 803] x 100 = -30.88%
Formula
Percentage change = [(555 - 803) / 803] x 100
Subtract the new number by the original number
555 - 803 = -248
-248 ÷ 803 = -0.30884184308841844
-0.30884184308841844 x 100 = -30.88%