135.07% is the change from 345 to 811
Calculation steps:
[( 811 - 345 ) ÷ 345] x 100 = 135.07%
Formula
Percentage change = [(811 - 345) / 345] x 100
Subtract the new number by the original number
811 - 345 = 466
466 ÷ 345 = 1.3507246376811595
1.3507246376811595 x 100 = 135.07%