-93.18% is the change from 557 to 38
Calculation steps:
[( 38 - 557 ) ÷ 557] x 100 = -93.18%
Formula
Percentage change = [(38 - 557) / 557] x 100
Subtract the new number by the original number
38 - 557 = -519
-519 ÷ 557 = -0.9317773788150808
-0.9317773788150808 x 100 = -93.18%