-38.06% is the change from 557 to 345
Calculation steps:
[( 345 - 557 ) ÷ 557] x 100 = -38.06%
Formula
Percentage change = [(345 - 557) / 557] x 100
Subtract the new number by the original number
345 - 557 = -212
-212 ÷ 557 = -0.38061041292639136
-0.38061041292639136 x 100 = -38.06%