254.45% is the change from 191 to 677
Calculation steps:
[( 677 - 191 ) ÷ 191] x 100 = 254.45%
Formula
Percentage change = [(677 - 191) / 191] x 100
Subtract the new number by the original number
677 - 191 = 486
486 ÷ 191 = 2.5445026178010473
2.5445026178010473 x 100 = 254.45%