300% is the change from 76 to 304
Calculation steps:
[( 304 - 76 ) ÷ 76] x 100 = 300%
Formula
Percentage change = [(304 - 76) / 76] x 100
Subtract the new number by the original number
304 - 76 = 228
228 ÷ 76 = 3
3 x 100 = 300%
Example