37.4% is the change from 623 to 856
Calculation steps:
[( 856 - 623 ) ÷ 623] x 100 = 37.4%
Formula
Percentage change = [(856 - 623) / 623] x 100
Subtract the new number by the original number
856 - 623 = 233
233 ÷ 623 = 0.3739967897271268
0.3739967897271268 x 100 = 37.4%