-49.65% is the change from 578 to 291
Calculation steps:
[( 291 - 578 ) ÷ 578] x 100 = -49.65%
Formula
Percentage change = [(291 - 578) / 578] x 100
Subtract the new number by the original number
291 - 578 = -287
-287 ÷ 578 = -0.49653979238754326
-0.49653979238754326 x 100 = -49.65%