30.35% is the change from 514 to 670
Calculation steps:
[( 670 - 514 ) ÷ 514] x 100 = 30.35%
Formula
Percentage change = [(670 - 514) / 514] x 100
Subtract the new number by the original number
670 - 514 = 156
156 ÷ 514 = 0.3035019455252918
0.3035019455252918 x 100 = 30.35%