-22.45% is the change from 294 to 228
Calculation steps:
[( 228 - 294 ) ÷ 294] x 100 = -22.45%
Formula
Percentage change = [(228 - 294) / 294] x 100
Subtract the new number by the original number
228 - 294 = -66
-66 ÷ 294 = -0.22448979591836735
-0.22448979591836735 x 100 = -22.45%