30% is the change from 690 to 897
Calculation steps:
[( 897 - 690 ) ÷ 690] x 100 = 30%
Formula
Percentage change = [(897 - 690) / 690] x 100
Subtract the new number by the original number
897 - 690 = 207
207 ÷ 690 = 0.3
0.3 x 100 = 30%
Example