378.95% is the change from 57 to 273
Calculation steps:
[( 273 - 57 ) ÷ 57] x 100 = 378.95%
Formula
Percentage change = [(273 - 57) / 57] x 100
Subtract the new number by the original number
273 - 57 = 216
216 ÷ 57 = 3.789473684210526
3.789473684210526 x 100 = 378.95%