-28.84% is the change from 319 to 227
Calculation steps:
[( 227 - 319 ) ÷ 319] x 100 = -28.84%
Formula
Percentage change = [(227 - 319) / 319] x 100
Subtract the new number by the original number
227 - 319 = -92
-92 ÷ 319 = -0.2884012539184953
-0.2884012539184953 x 100 = -28.84%