31.14% is the change from 684 to 897
Calculation steps:
[( 897 - 684 ) ÷ 684] x 100 = 31.14%
Formula
Percentage change = [(897 - 684) / 684] x 100
Subtract the new number by the original number
897 - 684 = 213
213 ÷ 684 = 0.31140350877192985
0.31140350877192985 x 100 = 31.14%