-82.2% is the change from 236 to 42
Calculation steps:
[( 42 - 236 ) ÷ 236] x 100 = -82.2%
Formula
Percentage change = [(42 - 236) / 236] x 100
Subtract the new number by the original number
42 - 236 = -194
-194 ÷ 236 = -0.8220338983050848
-0.8220338983050848 x 100 = -82.2%