34.52% is the change from 310 to 417
Calculation steps:
[( 417 - 310 ) ÷ 310] x 100 = 34.52%
Formula
Percentage change = [(417 - 310) / 310] x 100
Subtract the new number by the original number
417 - 310 = 107
107 ÷ 310 = 0.34516129032258064
0.34516129032258064 x 100 = 34.52%