-36.07% is the change from 280 to 179
Calculation steps:
[( 179 - 280 ) ÷ 280] x 100 = -36.07%
Formula
Percentage change = [(179 - 280) / 280] x 100
Subtract the new number by the original number
179 - 280 = -101
-101 ÷ 280 = -0.3607142857142857
-0.3607142857142857 x 100 = -36.07%