174.9% is the change from 251 to 690
Calculation steps:
[( 690 - 251 ) ÷ 251] x 100 = 174.9%
Formula
Percentage change = [(690 - 251) / 251] x 100
Subtract the new number by the original number
690 - 251 = 439
439 ÷ 251 = 1.749003984063745
1.749003984063745 x 100 = 174.9%