249.48% is the change from 194 to 678
Calculation steps:
[( 678 - 194 ) ÷ 194] x 100 = 249.48%
Formula
Percentage change = [(678 - 194) / 194] x 100
Subtract the new number by the original number
678 - 194 = 484
484 ÷ 194 = 2.4948453608247423
2.4948453608247423 x 100 = 249.48%