209.09% is the change from 187 to 578
Calculation steps:
[( 578 - 187 ) ÷ 187] x 100 = 209.09%
Formula
Percentage change = [(578 - 187) / 187] x 100
Subtract the new number by the original number
578 - 187 = 391
391 ÷ 187 = 2.090909090909091
2.090909090909091 x 100 = 209.09%