-33.77% is the change from 838 to 555
Calculation steps:
[( 555 - 838 ) ÷ 838] x 100 = -33.77%
Formula
Percentage change = [(555 - 838) / 838] x 100
Subtract the new number by the original number
555 - 838 = -283
-283 ÷ 838 = -0.33770883054892603
-0.33770883054892603 x 100 = -33.77%