-45.42% is the change from 557 to 304
Calculation steps:
[( 304 - 557 ) ÷ 557] x 100 = -45.42%
Formula
Percentage change = [(304 - 557) / 557] x 100
Subtract the new number by the original number
304 - 557 = -253
-253 ÷ 557 = -0.4542190305206463
-0.4542190305206463 x 100 = -45.42%