96.6% is the change from 294 to 578
Calculation steps:
[( 578 - 294 ) ÷ 294] x 100 = 96.6%
Formula
Percentage change = [(578 - 294) / 294] x 100
Subtract the new number by the original number
578 - 294 = 284
284 ÷ 294 = 0.9659863945578231
0.9659863945578231 x 100 = 96.6%