-62.9% is the change from 814 to 302
Calculation steps:
[( 302 - 814 ) ÷ 814] x 100 = -62.9%
Formula
Percentage change = [(302 - 814) / 814] x 100
Subtract the new number by the original number
302 - 814 = -512
-512 ÷ 814 = -0.628992628992629
-0.628992628992629 x 100 = -62.9%