-40.64% is the change from 844 to 501
Calculation steps:
[( 501 - 844 ) ÷ 844] x 100 = -40.64%
Formula
Percentage change = [(501 - 844) / 844] x 100
Subtract the new number by the original number
501 - 844 = -343
-343 ÷ 844 = -0.40639810426540285
-0.40639810426540285 x 100 = -40.64%