280.87% is the change from 115 to 438
Calculation steps:
[( 438 - 115 ) ÷ 115] x 100 = 280.87%
Formula
Percentage change = [(438 - 115) / 115] x 100
Subtract the new number by the original number
438 - 115 = 323
323 ÷ 115 = 2.8086956521739133
2.8086956521739133 x 100 = 280.87%