99.19% is the change from 247 to 492
Calculation steps:
[( 492 - 247 ) ÷ 247] x 100 = 99.19%
Formula
Percentage change = [(492 - 247) / 247] x 100
Subtract the new number by the original number
492 - 247 = 245
245 ÷ 247 = 0.9919028340080972
0.9919028340080972 x 100 = 99.19%