-15.05% is the change from 279 to 237
Calculation steps:
[( 237 - 279 ) ÷ 279] x 100 = -15.05%
Formula
Percentage change = [(237 - 279) / 279] x 100
Subtract the new number by the original number
237 - 279 = -42
-42 ÷ 279 = -0.15053763440860216
-0.15053763440860216 x 100 = -15.05%