-84.15% is the change from 265 to 42
Calculation steps:
[( 42 - 265 ) ÷ 265] x 100 = -84.15%
Formula
Percentage change = [(42 - 265) / 265] x 100
Subtract the new number by the original number
42 - 265 = -223
-223 ÷ 265 = -0.8415094339622642
-0.8415094339622642 x 100 = -84.15%