68.38% is the change from 291 to 490
Calculation steps:
[( 490 - 291 ) ÷ 291] x 100 = 68.38%
Formula
Percentage change = [(490 - 291) / 291] x 100
Subtract the new number by the original number
490 - 291 = 199
199 ÷ 291 = 0.6838487972508591
0.6838487972508591 x 100 = 68.38%