34.73% is the change from 311 to 419
Calculation steps:
[( 419 - 311 ) ÷ 311] x 100 = 34.73%
Formula
Percentage change = [(419 - 311) / 311] x 100
Subtract the new number by the original number
419 - 311 = 108
108 ÷ 311 = 0.34726688102893893
0.34726688102893893 x 100 = 34.73%