-37.64% is the change from 797 to 497
Calculation steps:
[( 497 - 797 ) ÷ 797] x 100 = -37.64%
Formula
Percentage change = [(497 - 797) / 797] x 100
Subtract the new number by the original number
497 - 797 = -300
-300 ÷ 797 = -0.37641154328732745
-0.37641154328732745 x 100 = -37.64%