89.8% is the change from 490 to 930
Calculation steps:
[( 930 - 490 ) ÷ 490] x 100 = 89.8%
Formula
Percentage change = [(930 - 490) / 490] x 100
Subtract the new number by the original number
930 - 490 = 440
440 ÷ 490 = 0.8979591836734694
0.8979591836734694 x 100 = 89.8%