-65.84% is the change from 811 to 277
Calculation steps:
[( 277 - 811 ) ÷ 811] x 100 = -65.84%
Formula
Percentage change = [(277 - 811) / 811] x 100
Subtract the new number by the original number
277 - 811 = -534
-534 ÷ 811 = -0.6584463625154131
-0.6584463625154131 x 100 = -65.84%