-21.11% is the change from 180 to 142
Calculation steps:
[( 142 - 180 ) ÷ 180] x 100 = -21.11%
Formula
Percentage change = [(142 - 180) / 180] x 100
Subtract the new number by the original number
142 - 180 = -38
-38 ÷ 180 = -0.2111111111111111
-0.2111111111111111 x 100 = -21.11%