165.18% is the change from 313 to 830
Calculation steps:
[( 830 - 313 ) ÷ 313] x 100 = 165.18%
Formula
Percentage change = [(830 - 313) / 313] x 100
Subtract the new number by the original number
830 - 313 = 517
517 ÷ 313 = 1.6517571884984026
1.6517571884984026 x 100 = 165.18%