326.32% is the change from 57 to 243
Calculation steps:
[( 243 - 57 ) ÷ 57] x 100 = 326.32%
Formula
Percentage change = [(243 - 57) / 57] x 100
Subtract the new number by the original number
243 - 57 = 186
186 ÷ 57 = 3.263157894736842
3.263157894736842 x 100 = 326.32%