56.33% is the change from 490 to 766
Calculation steps:
[( 766 - 490 ) ÷ 490] x 100 = 56.33%
Formula
Percentage change = [(766 - 490) / 490] x 100
Subtract the new number by the original number
766 - 490 = 276
276 ÷ 490 = 0.563265306122449
0.563265306122449 x 100 = 56.33%