-63.8% is the change from 279 to 101
Calculation steps:
[( 101 - 279 ) ÷ 279] x 100 = -63.8%
Formula
Percentage change = [(101 - 279) / 279] x 100
Subtract the new number by the original number
101 - 279 = -178
-178 ÷ 279 = -0.6379928315412187
-0.6379928315412187 x 100 = -63.8%