-27.6% is the change from 279 to 202
Calculation steps:
[( 202 - 279 ) ÷ 279] x 100 = -27.6%
Formula
Percentage change = [(202 - 279) / 279] x 100
Subtract the new number by the original number
202 - 279 = -77
-77 ÷ 279 = -0.27598566308243727
-0.27598566308243727 x 100 = -27.6%