6.12% is the change from 670 to 711
Calculation steps:
[( 711 - 670 ) ÷ 670] x 100 = 6.12%
Formula
Percentage change = [(711 - 670) / 670] x 100
Subtract the new number by the original number
711 - 670 = 41
41 ÷ 670 = 0.06119402985074627
0.06119402985074627 x 100 = 6.12%