178.91% is the change from 294 to 820
Calculation steps:
[( 820 - 294 ) ÷ 294] x 100 = 178.91%
Formula
Percentage change = [(820 - 294) / 294] x 100
Subtract the new number by the original number
820 - 294 = 526
526 ÷ 294 = 1.7891156462585034
1.7891156462585034 x 100 = 178.91%