68.16% is the change from 490 to 824
Calculation steps:
[( 824 - 490 ) ÷ 490] x 100 = 68.16%
Formula
Percentage change = [(824 - 490) / 490] x 100
Subtract the new number by the original number
824 - 490 = 334
334 ÷ 490 = 0.6816326530612244
0.6816326530612244 x 100 = 68.16%