6.72% is the change from 670 to 715
Calculation steps:
[( 715 - 670 ) ÷ 670] x 100 = 6.72%
Formula
Percentage change = [(715 - 670) / 670] x 100
Subtract the new number by the original number
715 - 670 = 45
45 ÷ 670 = 0.06716417910447761
0.06716417910447761 x 100 = 6.72%