268.42% is the change from 76 to 280
Calculation steps:
[( 280 - 76 ) ÷ 76] x 100 = 268.42%
Formula
Percentage change = [(280 - 76) / 76] x 100
Subtract the new number by the original number
280 - 76 = 204
204 ÷ 76 = 2.6842105263157894
2.6842105263157894 x 100 = 268.42%