33.43% is the change from 688 to 918
Calculation steps:
[( 918 - 688 ) ÷ 688] x 100 = 33.43%
Formula
Percentage change = [(918 - 688) / 688] x 100
Subtract the new number by the original number
918 - 688 = 230
230 ÷ 688 = 0.33430232558139533
0.33430232558139533 x 100 = 33.43%