122.19% is the change from 311 to 691
Calculation steps:
[( 691 - 311 ) ÷ 311] x 100 = 122.19%
Formula
Percentage change = [(691 - 311) / 311] x 100
Subtract the new number by the original number
691 - 311 = 380
380 ÷ 311 = 1.2218649517684887
1.2218649517684887 x 100 = 122.19%