160.77% is the change from 311 to 811
Calculation steps:
[( 811 - 311 ) ÷ 311] x 100 = 160.77%
Formula
Percentage change = [(811 - 311) / 311] x 100
Subtract the new number by the original number
811 - 311 = 500
500 ÷ 311 = 1.607717041800643
1.607717041800643 x 100 = 160.77%