200.71% is the change from 280 to 842
Calculation steps:
[( 842 - 280 ) ÷ 280] x 100 = 200.71%
Formula
Percentage change = [(842 - 280) / 280] x 100
Subtract the new number by the original number
842 - 280 = 562
562 ÷ 280 = 2.007142857142857
2.007142857142857 x 100 = 200.71%