-34.4% is the change from 814 to 534
Calculation steps:
[( 534 - 814 ) ÷ 814] x 100 = -34.4%
Formula
Percentage change = [(534 - 814) / 814] x 100
Subtract the new number by the original number
534 - 814 = -280
-280 ÷ 814 = -0.343980343980344
-0.343980343980344 x 100 = -34.4%