-34.47% is the change from 818 to 536
Calculation steps:
[( 536 - 818 ) ÷ 818] x 100 = -34.47%
Formula
Percentage change = [(536 - 818) / 818] x 100
Subtract the new number by the original number
536 - 818 = -282
-282 ÷ 818 = -0.34474327628361856
-0.34474327628361856 x 100 = -34.47%