442.86% is the change from 56 to 304
Calculation steps:
[( 304 - 56 ) ÷ 56] x 100 = 442.86%
Formula
Percentage change = [(304 - 56) / 56] x 100
Subtract the new number by the original number
304 - 56 = 248
248 ÷ 56 = 4.428571428571429
4.428571428571429 x 100 = 442.86%