-78.07% is the change from 228 to 50
Calculation steps:
[( 50 - 228 ) ÷ 228] x 100 = -78.07%
Formula
Percentage change = [(50 - 228) / 228] x 100
Subtract the new number by the original number
50 - 228 = -178
-178 ÷ 228 = -0.7807017543859649
-0.7807017543859649 x 100 = -78.07%