-41.32% is the change from 847 to 497
Calculation steps:
[( 497 - 847 ) ÷ 847] x 100 = -41.32%
Formula
Percentage change = [(497 - 847) / 847] x 100
Subtract the new number by the original number
497 - 847 = -350
-350 ÷ 847 = -0.4132231404958678
-0.4132231404958678 x 100 = -41.32%