98.38% is the change from 247 to 490
Calculation steps:
[( 490 - 247 ) ÷ 247] x 100 = 98.38%
Formula
Percentage change = [(490 - 247) / 247] x 100
Subtract the new number by the original number
490 - 247 = 243
243 ÷ 247 = 0.9838056680161943
0.9838056680161943 x 100 = 98.38%