278.95% is the change from 76 to 288
Calculation steps:
[( 288 - 76 ) ÷ 76] x 100 = 278.95%
Formula
Percentage change = [(288 - 76) / 76] x 100
Subtract the new number by the original number
288 - 76 = 212
212 ÷ 76 = 2.789473684210526
2.789473684210526 x 100 = 278.95%