108.93% is the change from 392 to 819
Calculation steps:
[( 819 - 392 ) ÷ 392] x 100 = 108.93%
Formula
Percentage change = [(819 - 392) / 392] x 100
Subtract the new number by the original number
819 - 392 = 427
427 ÷ 392 = 1.0892857142857142
1.0892857142857142 x 100 = 108.93%