-41.96% is the change from 143 to 83
Calculation steps:
[( 83 - 143 ) ÷ 143] x 100 = -41.96%
Formula
Percentage change = [(83 - 143) / 143] x 100
Subtract the new number by the original number
83 - 143 = -60
-60 ÷ 143 = -0.4195804195804196
-0.4195804195804196 x 100 = -41.96%