89.46% is the change from 427 to 809
Calculation steps:
[( 809 - 427 ) ÷ 427] x 100 = 89.46%
Formula
Percentage change = [(809 - 427) / 427] x 100
Subtract the new number by the original number
809 - 427 = 382
382 ÷ 427 = 0.8946135831381733
0.8946135831381733 x 100 = 89.46%