128.23% is the change from 294 to 671
Calculation steps:
[( 671 - 294 ) ÷ 294] x 100 = 128.23%
Formula
Percentage change = [(671 - 294) / 294] x 100
Subtract the new number by the original number
671 - 294 = 377
377 ÷ 294 = 1.282312925170068
1.282312925170068 x 100 = 128.23%