-91.76% is the change from 279 to 23
Calculation steps:
[( 23 - 279 ) ÷ 279] x 100 = -91.76%
Formula
Percentage change = [(23 - 279) / 279] x 100
Subtract the new number by the original number
23 - 279 = -256
-256 ÷ 279 = -0.9175627240143369
-0.9175627240143369 x 100 = -91.76%