38.08% is the change from 688 to 950
Calculation steps:
[( 950 - 688 ) ÷ 688] x 100 = 38.08%
Formula
Percentage change = [(950 - 688) / 688] x 100
Subtract the new number by the original number
950 - 688 = 262
262 ÷ 688 = 0.3808139534883721
0.3808139534883721 x 100 = 38.08%