842.42% is the change from 33 to 311
Calculation steps:
[( 311 - 33 ) ÷ 33] x 100 = 842.42%
Formula
Percentage change = [(311 - 33) / 33] x 100
Subtract the new number by the original number
311 - 33 = 278
278 ÷ 33 = 8.424242424242424
8.424242424242424 x 100 = 842.42%