198.8% is the change from 251 to 750
Calculation steps:
[( 750 - 251 ) ÷ 251] x 100 = 198.8%
Formula
Percentage change = [(750 - 251) / 251] x 100
Subtract the new number by the original number
750 - 251 = 499
499 ÷ 251 = 1.9880478087649402
1.9880478087649402 x 100 = 198.8%