62.86% is the change from 280 to 456
Calculation steps:
[( 456 - 280 ) ÷ 280] x 100 = 62.86%
Formula
Percentage change = [(456 - 280) / 280] x 100
Subtract the new number by the original number
456 - 280 = 176
176 ÷ 280 = 0.6285714285714286
0.6285714285714286 x 100 = 62.86%