-28.01% is the change from 557 to 401
Calculation steps:
[( 401 - 557 ) ÷ 557] x 100 = -28.01%
Formula
Percentage change = [(401 - 557) / 557] x 100
Subtract the new number by the original number
401 - 557 = -156
-156 ÷ 557 = -0.2800718132854578
-0.2800718132854578 x 100 = -28.01%