31.28% is the change from 697 to 915
Calculation steps:
[( 915 - 697 ) ÷ 697] x 100 = 31.28%
Formula
Percentage change = [(915 - 697) / 697] x 100
Subtract the new number by the original number
915 - 697 = 218
218 ÷ 697 = 0.3127690100430416
0.3127690100430416 x 100 = 31.28%