-53.52% is the change from 142 to 66
Calculation steps:
[( 66 - 142 ) ÷ 142] x 100 = -53.52%
Formula
Percentage change = [(66 - 142) / 142] x 100
Subtract the new number by the original number
66 - 142 = -76
-76 ÷ 142 = -0.5352112676056338
-0.5352112676056338 x 100 = -53.52%