-92.43% is the change from 555 to 42
Calculation steps:
[( 42 - 555 ) ÷ 555] x 100 = -92.43%
Formula
Percentage change = [(42 - 555) / 555] x 100
Subtract the new number by the original number
42 - 555 = -513
-513 ÷ 555 = -0.9243243243243243
-0.9243243243243243 x 100 = -92.43%