-19.57% is the change from 557 to 448
Calculation steps:
[( 448 - 557 ) ÷ 557] x 100 = -19.57%
Formula
Percentage change = [(448 - 557) / 557] x 100
Subtract the new number by the original number
448 - 557 = -109
-109 ÷ 557 = -0.19569120287253142
-0.19569120287253142 x 100 = -19.57%