-37.7% is the change from 366 to 228
Calculation steps:
[( 228 - 366 ) ÷ 366] x 100 = -37.7%
Formula
Percentage change = [(228 - 366) / 366] x 100
Subtract the new number by the original number
228 - 366 = -138
-138 ÷ 366 = -0.3770491803278688
-0.3770491803278688 x 100 = -37.7%