-62.64% is the change from 811 to 303
Calculation steps:
[( 303 - 811 ) ÷ 811] x 100 = -62.64%
Formula
Percentage change = [(303 - 811) / 811] x 100
Subtract the new number by the original number
303 - 811 = -508
-508 ÷ 811 = -0.6263871763255241
-0.6263871763255241 x 100 = -62.64%