30.93% is the change from 611 to 800
Calculation steps:
[( 800 - 611 ) ÷ 611] x 100 = 30.93%
Formula
Percentage change = [(800 - 611) / 611] x 100
Subtract the new number by the original number
800 - 611 = 189
189 ÷ 611 = 0.309328968903437
0.309328968903437 x 100 = 30.93%