-50.7% is the change from 142 to 70
Calculation steps:
[( 70 - 142 ) ÷ 142] x 100 = -50.7%
Formula
Percentage change = [(70 - 142) / 142] x 100
Subtract the new number by the original number
70 - 142 = -72
-72 ÷ 142 = -0.5070422535211268
-0.5070422535211268 x 100 = -50.7%