103.73% is the change from 402 to 819
Calculation steps:
[( 819 - 402 ) ÷ 402] x 100 = 103.73%
Formula
Percentage change = [(819 - 402) / 402] x 100
Subtract the new number by the original number
819 - 402 = 417
417 ÷ 402 = 1.037313432835821
1.037313432835821 x 100 = 103.73%