2.23% is the change from 897 to 917
Calculation steps:
[( 917 - 897 ) ÷ 897] x 100 = 2.23%
Formula
Percentage change = [(917 - 897) / 897] x 100
Subtract the new number by the original number
917 - 897 = 20
20 ÷ 897 = 0.022296544035674472
0.022296544035674472 x 100 = 2.23%