-97.18% is the change from 142 to 4
Calculation steps:
[( 4 - 142 ) ÷ 142] x 100 = -97.18%
Formula
Percentage change = [(4 - 142) / 142] x 100
Subtract the new number by the original number
4 - 142 = -138
-138 ÷ 142 = -0.971830985915493
-0.971830985915493 x 100 = -97.18%