103.49% is the change from 401 to 816
Calculation steps:
[( 816 - 401 ) ÷ 401] x 100 = 103.49%
Formula
Percentage change = [(816 - 401) / 401] x 100
Subtract the new number by the original number
816 - 401 = 415
415 ÷ 401 = 1.0349127182044888
1.0349127182044888 x 100 = 103.49%