-47.76% is the change from 557 to 291
Calculation steps:
[( 291 - 557 ) ÷ 557] x 100 = -47.76%
Formula
Percentage change = [(291 - 557) / 557] x 100
Subtract the new number by the original number
291 - 557 = -266
-266 ÷ 557 = -0.47755834829443444
-0.47755834829443444 x 100 = -47.76%