203.24% is the change from 278 to 843
Calculation steps:
[( 843 - 278 ) ÷ 278] x 100 = 203.24%
Formula
Percentage change = [(843 - 278) / 278] x 100
Subtract the new number by the original number
843 - 278 = 565
565 ÷ 278 = 2.0323741007194243
2.0323741007194243 x 100 = 203.24%