-40.76% is the change from 844 to 500
Calculation steps:
[( 500 - 844 ) ÷ 844] x 100 = -40.76%
Formula
Percentage change = [(500 - 844) / 844] x 100
Subtract the new number by the original number
500 - 844 = -344
-344 ÷ 844 = -0.4075829383886256
-0.4075829383886256 x 100 = -40.76%