-49.56% is the change from 228 to 115
Calculation steps:
[( 115 - 228 ) ÷ 228] x 100 = -49.56%
Formula
Percentage change = [(115 - 228) / 228] x 100
Subtract the new number by the original number
115 - 228 = -113
-113 ÷ 228 = -0.4956140350877193
-0.4956140350877193 x 100 = -49.56%