-33.5% is the change from 797 to 530
Calculation steps:
[( 530 - 797 ) ÷ 797] x 100 = -33.5%
Formula
Percentage change = [(530 - 797) / 797] x 100
Subtract the new number by the original number
530 - 797 = -267
-267 ÷ 797 = -0.33500627352572143
-0.33500627352572143 x 100 = -33.5%