326.75% is the change from 228 to 973
Calculation steps:
[( 973 - 228 ) ÷ 228] x 100 = 326.75%
Formula
Percentage change = [(973 - 228) / 228] x 100
Subtract the new number by the original number
973 - 228 = 745
745 ÷ 228 = 3.267543859649123
3.267543859649123 x 100 = 326.75%