4.21% is the change from 783 to 816
Calculation steps:
[( 816 - 783 ) ÷ 783] x 100 = 4.21%
Formula
Percentage change = [(816 - 783) / 783] x 100
Subtract the new number by the original number
816 - 783 = 33
33 ÷ 783 = 0.0421455938697318
0.0421455938697318 x 100 = 4.21%