-70.21% is the change from 141 to 42
Calculation steps:
[( 42 - 141 ) ÷ 141] x 100 = -70.21%
Formula
Percentage change = [(42 - 141) / 141] x 100
Subtract the new number by the original number
42 - 141 = -99
-99 ÷ 141 = -0.7021276595744681
-0.7021276595744681 x 100 = -70.21%