31.59% is the change from 687 to 904
Calculation steps:
[( 904 - 687 ) ÷ 687] x 100 = 31.59%
Formula
Percentage change = [(904 - 687) / 687] x 100
Subtract the new number by the original number
904 - 687 = 217
217 ÷ 687 = 0.3158660844250364
0.3158660844250364 x 100 = 31.59%