200.36% is the change from 278 to 835
Calculation steps:
[( 835 - 278 ) ÷ 278] x 100 = 200.36%
Formula
Percentage change = [(835 - 278) / 278] x 100
Subtract the new number by the original number
835 - 278 = 557
557 ÷ 278 = 2.0035971223021583
2.0035971223021583 x 100 = 200.36%