-62.76% is the change from 811 to 302
Calculation steps:
[( 302 - 811 ) ÷ 811] x 100 = -62.76%
Formula
Percentage change = [(302 - 811) / 811] x 100
Subtract the new number by the original number
302 - 811 = -509
-509 ÷ 811 = -0.6276202219482121
-0.6276202219482121 x 100 = -62.76%