75.44% is the change from 228 to 400
Calculation steps:
[( 400 - 228 ) ÷ 228] x 100 = 75.44%
Formula
Percentage change = [(400 - 228) / 228] x 100
Subtract the new number by the original number
400 - 228 = 172
172 ÷ 228 = 0.7543859649122807
0.7543859649122807 x 100 = 75.44%