-33.38% is the change from 797 to 531
Calculation steps:
[( 531 - 797 ) ÷ 797] x 100 = -33.38%
Formula
Percentage change = [(531 - 797) / 797] x 100
Subtract the new number by the original number
531 - 797 = -266
-266 ÷ 797 = -0.3337515683814304
-0.3337515683814304 x 100 = -33.38%