-68.42% is the change from 133 to 42
Calculation steps:
[( 42 - 133 ) ÷ 133] x 100 = -68.42%
Formula
Percentage change = [(42 - 133) / 133] x 100
Subtract the new number by the original number
42 - 133 = -91
-91 ÷ 133 = -0.6842105263157895
-0.6842105263157895 x 100 = -68.42%