-92.86% is the change from 42 to 3
Calculation steps:
[( 3 - 42 ) ÷ 42] x 100 = -92.86%
Formula
Percentage change = [(3 - 42) / 42] x 100
Subtract the new number by the original number
3 - 42 = -39
-39 ÷ 42 = -0.9285714285714286
-0.9285714285714286 x 100 = -92.86%