-34.28% is the change from 814 to 535
Calculation steps:
[( 535 - 814 ) ÷ 814] x 100 = -34.28%
Formula
Percentage change = [(535 - 814) / 814] x 100
Subtract the new number by the original number
535 - 814 = -279
-279 ÷ 814 = -0.34275184275184273
-0.34275184275184273 x 100 = -34.28%