177.86% is the change from 280 to 778
Calculation steps:
[( 778 - 280 ) ÷ 280] x 100 = 177.86%
Formula
Percentage change = [(778 - 280) / 280] x 100
Subtract the new number by the original number
778 - 280 = 498
498 ÷ 280 = 1.7785714285714285
1.7785714285714285 x 100 = 177.86%