31.73% is the change from 687 to 905
Calculation steps:
[( 905 - 687 ) ÷ 687] x 100 = 31.73%
Formula
Percentage change = [(905 - 687) / 687] x 100
Subtract the new number by the original number
905 - 687 = 218
218 ÷ 687 = 0.3173216885007278
0.3173216885007278 x 100 = 31.73%