31.83% is the change from 688 to 907
Calculation steps:
[( 907 - 688 ) ÷ 688] x 100 = 31.83%
Formula
Percentage change = [(907 - 688) / 688] x 100
Subtract the new number by the original number
907 - 688 = 219
219 ÷ 688 = 0.3183139534883721
0.3183139534883721 x 100 = 31.83%