623.81% is the change from 42 to 304
Calculation steps:
[( 304 - 42 ) ÷ 42] x 100 = 623.81%
Formula
Percentage change = [(304 - 42) / 42] x 100
Subtract the new number by the original number
304 - 42 = 262
262 ÷ 42 = 6.238095238095238
6.238095238095238 x 100 = 623.81%