39.21% is the change from 686 to 955
Calculation steps:
[( 955 - 686 ) ÷ 686] x 100 = 39.21%
Formula
Percentage change = [(955 - 686) / 686] x 100
Subtract the new number by the original number
955 - 686 = 269
269 ÷ 686 = 0.39212827988338195
0.39212827988338195 x 100 = 39.21%