155.36% is the change from 280 to 715
Calculation steps:
[( 715 - 280 ) ÷ 280] x 100 = 155.36%
Formula
Percentage change = [(715 - 280) / 280] x 100
Subtract the new number by the original number
715 - 280 = 435
435 ÷ 280 = 1.5535714285714286
1.5535714285714286 x 100 = 155.36%