996.43% is the change from 28 to 307
Calculation steps:
[( 307 - 28 ) ÷ 28] x 100 = 996.43%
Formula
Percentage change = [(307 - 28) / 28] x 100
Subtract the new number by the original number
307 - 28 = 279
279 ÷ 28 = 9.964285714285714
9.964285714285714 x 100 = 996.43%