107.63% is the change from 393 to 816
Calculation steps:
[( 816 - 393 ) ÷ 393] x 100 = 107.63%
Formula
Percentage change = [(816 - 393) / 393] x 100
Subtract the new number by the original number
816 - 393 = 423
423 ÷ 393 = 1.0763358778625953
1.0763358778625953 x 100 = 107.63%