55.71% is the change from 280 to 436
Calculation steps:
[( 436 - 280 ) ÷ 280] x 100 = 55.71%
Formula
Percentage change = [(436 - 280) / 280] x 100
Subtract the new number by the original number
436 - 280 = 156
156 ÷ 280 = 0.5571428571428572
0.5571428571428572 x 100 = 55.71%