35.82% is the change from 670 to 910
Calculation steps:
[( 910 - 670 ) ÷ 670] x 100 = 35.82%
Formula
Percentage change = [(910 - 670) / 670] x 100
Subtract the new number by the original number
910 - 670 = 240
240 ÷ 670 = 0.3582089552238806
0.3582089552238806 x 100 = 35.82%