86.29% is the change from 423 to 788
Calculation steps:
[( 788 - 423 ) ÷ 423] x 100 = 86.29%
Formula
Percentage change = [(788 - 423) / 423] x 100
Subtract the new number by the original number
788 - 423 = 365
365 ÷ 423 = 0.8628841607565012
0.8628841607565012 x 100 = 86.29%