23.6% is the change from 644 to 796
Calculation steps:
[( 796 - 644 ) ÷ 644] x 100 = 23.6%
Formula
Percentage change = [(796 - 644) / 644] x 100
Subtract the new number by the original number
796 - 644 = 152
152 ÷ 644 = 0.2360248447204969
0.2360248447204969 x 100 = 23.6%