5.35% is the change from 636 to 670
Calculation steps:
[( 670 - 636 ) ÷ 636] x 100 = 5.35%
Formula
Percentage change = [(670 - 636) / 636] x 100
Subtract the new number by the original number
670 - 636 = 34
34 ÷ 636 = 0.05345911949685535
0.05345911949685535 x 100 = 5.35%