-32.07% is the change from 817 to 555
Calculation steps:
[( 555 - 817 ) ÷ 817] x 100 = -32.07%
Formula
Percentage change = [(555 - 817) / 817] x 100
Subtract the new number by the original number
555 - 817 = -262
-262 ÷ 817 = -0.32068543451652387
-0.32068543451652387 x 100 = -32.07%