-40.97% is the change from 847 to 500
Calculation steps:
[( 500 - 847 ) ÷ 847] x 100 = -40.97%
Formula
Percentage change = [(500 - 847) / 847] x 100
Subtract the new number by the original number
500 - 847 = -347
-347 ÷ 847 = -0.40968122786304606
-0.40968122786304606 x 100 = -40.97%