35.15% is the change from 623 to 842
Calculation steps:
[( 842 - 623 ) ÷ 623] x 100 = 35.15%
Formula
Percentage change = [(842 - 623) / 623] x 100
Subtract the new number by the original number
842 - 623 = 219
219 ÷ 623 = 0.35152487961476725
0.35152487961476725 x 100 = 35.15%