92.67% is the change from 423 to 815
Calculation steps:
[( 815 - 423 ) ÷ 423] x 100 = 92.67%
Formula
Percentage change = [(815 - 423) / 423] x 100
Subtract the new number by the original number
815 - 423 = 392
392 ÷ 423 = 0.9267139479905437
0.9267139479905437 x 100 = 92.67%