9.7% is the change from 670 to 735
Calculation steps:
[( 735 - 670 ) ÷ 670] x 100 = 9.7%
Formula
Percentage change = [(735 - 670) / 670] x 100
Subtract the new number by the original number
735 - 670 = 65
65 ÷ 670 = 0.09701492537313433
0.09701492537313433 x 100 = 9.7%