-85.96% is the change from 342 to 48
Calculation steps:
[( 48 - 342 ) ÷ 342] x 100 = -85.96%
Formula
Percentage change = [(48 - 342) / 342] x 100
Subtract the new number by the original number
48 - 342 = -294
-294 ÷ 342 = -0.8596491228070176
-0.8596491228070176 x 100 = -85.96%