288.61% is the change from 79 to 307
Calculation steps:
[( 307 - 79 ) ÷ 79] x 100 = 288.61%
Formula
Percentage change = [(307 - 79) / 79] x 100
Subtract the new number by the original number
307 - 79 = 228
228 ÷ 79 = 2.8860759493670884
2.8860759493670884 x 100 = 288.61%