30.57% is the change from 687 to 897
Calculation steps:
[( 897 - 687 ) ÷ 687] x 100 = 30.57%
Formula
Percentage change = [(897 - 687) / 687] x 100
Subtract the new number by the original number
897 - 687 = 210
210 ÷ 687 = 0.3056768558951965
0.3056768558951965 x 100 = 30.57%