89.38% is the change from 480 to 909
Calculation steps:
[( 909 - 480 ) ÷ 480] x 100 = 89.38%
Formula
Percentage change = [(909 - 480) / 480] x 100
Subtract the new number by the original number
909 - 480 = 429
429 ÷ 480 = 0.89375
0.89375 x 100 = 89.38%