-57.99% is the change from 557 to 234
Calculation steps:
[( 234 - 557 ) ÷ 557] x 100 = -57.99%
Formula
Percentage change = [(234 - 557) / 557] x 100
Subtract the new number by the original number
234 - 557 = -323
-323 ÷ 557 = -0.5798922800718133
-0.5798922800718133 x 100 = -57.99%