-72.03% is the change from 143 to 40
Calculation steps:
[( 40 - 143 ) ÷ 143] x 100 = -72.03%
Formula
Percentage change = [(40 - 143) / 143] x 100
Subtract the new number by the original number
40 - 143 = -103
-103 ÷ 143 = -0.7202797202797203
-0.7202797202797203 x 100 = -72.03%