38.68% is the change from 623 to 864
Calculation steps:
[( 864 - 623 ) ÷ 623] x 100 = 38.68%
Formula
Percentage change = [(864 - 623) / 623] x 100
Subtract the new number by the original number
864 - 623 = 241
241 ÷ 623 = 0.3868378812199037
0.3868378812199037 x 100 = 38.68%