-40.36% is the change from 280 to 167
Calculation steps:
[( 167 - 280 ) ÷ 280] x 100 = -40.36%
Formula
Percentage change = [(167 - 280) / 280] x 100
Subtract the new number by the original number
167 - 280 = -113
-113 ÷ 280 = -0.4035714285714286
-0.4035714285714286 x 100 = -40.36%