290.84% is the change from 251 to 981
Calculation steps:
[( 981 - 251 ) ÷ 251] x 100 = 290.84%
Formula
Percentage change = [(981 - 251) / 251] x 100
Subtract the new number by the original number
981 - 251 = 730
730 ÷ 251 = 2.908366533864542
2.908366533864542 x 100 = 290.84%