-62.85% is the change from 813 to 302
Calculation steps:
[( 302 - 813 ) ÷ 813] x 100 = -62.85%
Formula
Percentage change = [(302 - 813) / 813] x 100
Subtract the new number by the original number
302 - 813 = -511
-511 ÷ 813 = -0.6285362853628537
-0.6285362853628537 x 100 = -62.85%