-64.79% is the change from 142 to 50
Calculation steps:
[( 50 - 142 ) ÷ 142] x 100 = -64.79%
Formula
Percentage change = [(50 - 142) / 142] x 100
Subtract the new number by the original number
50 - 142 = -92
-92 ÷ 142 = -0.647887323943662
-0.647887323943662 x 100 = -64.79%