174.29% is the change from 280 to 768
Calculation steps:
[( 768 - 280 ) ÷ 280] x 100 = 174.29%
Formula
Percentage change = [(768 - 280) / 280] x 100
Subtract the new number by the original number
768 - 280 = 488
488 ÷ 280 = 1.7428571428571429
1.7428571428571429 x 100 = 174.29%