21.22% is the change from 490 to 594
Calculation steps:
[( 594 - 490 ) ÷ 490] x 100 = 21.22%
Formula
Percentage change = [(594 - 490) / 490] x 100
Subtract the new number by the original number
594 - 490 = 104
104 ÷ 490 = 0.21224489795918366
0.21224489795918366 x 100 = 21.22%