64.98% is the change from 297 to 490
Calculation steps:
[( 490 - 297 ) ÷ 297] x 100 = 64.98%
Formula
Percentage change = [(490 - 297) / 297] x 100
Subtract the new number by the original number
490 - 297 = 193
193 ÷ 297 = 0.6498316498316499
0.6498316498316499 x 100 = 64.98%