71.37% is the change from 489 to 838
Calculation steps:
[( 838 - 489 ) ÷ 489] x 100 = 71.37%
Formula
Percentage change = [(838 - 489) / 489] x 100
Subtract the new number by the original number
838 - 489 = 349
349 ÷ 489 = 0.7137014314928425
0.7137014314928425 x 100 = 71.37%