13.56% is the change from 590 to 670
Calculation steps:
[( 670 - 590 ) ÷ 590] x 100 = 13.56%
Formula
Percentage change = [(670 - 590) / 590] x 100
Subtract the new number by the original number
670 - 590 = 80
80 ÷ 590 = 0.13559322033898305
0.13559322033898305 x 100 = 13.56%