283.33% is the change from 78 to 299
Calculation steps:
[( 299 - 78 ) ÷ 78] x 100 = 283.33%
Formula
Percentage change = [(299 - 78) / 78] x 100
Subtract the new number by the original number
299 - 78 = 221
221 ÷ 78 = 2.8333333333333335
2.8333333333333335 x 100 = 283.33%