-34.6% is the change from 818 to 535
Calculation steps:
[( 535 - 818 ) ÷ 818] x 100 = -34.6%
Formula
Percentage change = [(535 - 818) / 818] x 100
Subtract the new number by the original number
535 - 818 = -283
-283 ÷ 818 = -0.34596577017114916
-0.34596577017114916 x 100 = -34.6%