70% is the change from 490 to 833
Calculation steps:
[( 833 - 490 ) ÷ 490] x 100 = 70%
Formula
Percentage change = [(833 - 490) / 490] x 100
Subtract the new number by the original number
833 - 490 = 343
343 ÷ 490 = 0.7
0.7 x 100 = 70%
Example