-52.6% is the change from 578 to 274
Calculation steps:
[( 274 - 578 ) ÷ 578] x 100 = -52.6%
Formula
Percentage change = [(274 - 578) / 578] x 100
Subtract the new number by the original number
274 - 578 = -304
-304 ÷ 578 = -0.5259515570934256
-0.5259515570934256 x 100 = -52.6%