67.96% is the change from 490 to 823
Calculation steps:
[( 823 - 490 ) ÷ 490] x 100 = 67.96%
Formula
Percentage change = [(823 - 490) / 490] x 100
Subtract the new number by the original number
823 - 490 = 333
333 ÷ 490 = 0.6795918367346939
0.6795918367346939 x 100 = 67.96%