34.48% is the change from 670 to 901
Calculation steps:
[( 901 - 670 ) ÷ 670] x 100 = 34.48%
Formula
Percentage change = [(901 - 670) / 670] x 100
Subtract the new number by the original number
901 - 670 = 231
231 ÷ 670 = 0.3447761194029851
0.3447761194029851 x 100 = 34.48%