35.31% is the change from 623 to 843
Calculation steps:
[( 843 - 623 ) ÷ 623] x 100 = 35.31%
Formula
Percentage change = [(843 - 623) / 623] x 100
Subtract the new number by the original number
843 - 623 = 220
220 ÷ 623 = 0.35313001605136435
0.35313001605136435 x 100 = 35.31%