27.69% is the change from 603 to 770
Calculation steps:
[( 770 - 603 ) ÷ 603] x 100 = 27.69%
Formula
Percentage change = [(770 - 603) / 603] x 100
Subtract the new number by the original number
770 - 603 = 167
167 ÷ 603 = 0.2769485903814262
0.2769485903814262 x 100 = 27.69%