15.3% is the change from 778 to 897
Calculation steps:
[( 897 - 778 ) ÷ 778] x 100 = 15.3%
Formula
Percentage change = [(897 - 778) / 778] x 100
Subtract the new number by the original number
897 - 778 = 119
119 ÷ 778 = 0.15295629820051415
0.15295629820051415 x 100 = 15.3%