-74.55% is the change from 279 to 71
Calculation steps:
[( 71 - 279 ) ÷ 279] x 100 = -74.55%
Formula
Percentage change = [(71 - 279) / 279] x 100
Subtract the new number by the original number
71 - 279 = -208
-208 ÷ 279 = -0.7455197132616488
-0.7455197132616488 x 100 = -74.55%