-16.37% is the change from 342 to 286
Calculation steps:
[( 286 - 342 ) ÷ 342] x 100 = -16.37%
Formula
Percentage change = [(286 - 342) / 342] x 100
Subtract the new number by the original number
286 - 342 = -56
-56 ÷ 342 = -0.16374269005847952
-0.16374269005847952 x 100 = -16.37%