256.91% is the change from 188 to 671
Calculation steps:
[( 671 - 188 ) ÷ 188] x 100 = 256.91%
Formula
Percentage change = [(671 - 188) / 188] x 100
Subtract the new number by the original number
671 - 188 = 483
483 ÷ 188 = 2.5691489361702127
2.5691489361702127 x 100 = 256.91%