68.98% is the change from 490 to 828
Calculation steps:
[( 828 - 490 ) ÷ 490] x 100 = 68.98%
Formula
Percentage change = [(828 - 490) / 490] x 100
Subtract the new number by the original number
828 - 490 = 338
338 ÷ 490 = 0.689795918367347
0.689795918367347 x 100 = 68.98%