-91.38% is the change from 557 to 48
Calculation steps:
[( 48 - 557 ) ÷ 557] x 100 = -91.38%
Formula
Percentage change = [(48 - 557) / 557] x 100
Subtract the new number by the original number
48 - 557 = -509
-509 ÷ 557 = -0.9138240574506283
-0.9138240574506283 x 100 = -91.38%