77.35% is the change from 490 to 869
Calculation steps:
[( 869 - 490 ) ÷ 490] x 100 = 77.35%
Formula
Percentage change = [(869 - 490) / 490] x 100
Subtract the new number by the original number
869 - 490 = 379
379 ÷ 490 = 0.773469387755102
0.773469387755102 x 100 = 77.35%