191.23% is the change from 228 to 664
Calculation steps:
[( 664 - 228 ) ÷ 228] x 100 = 191.23%
Formula
Percentage change = [(664 - 228) / 228] x 100
Subtract the new number by the original number
664 - 228 = 436
436 ÷ 228 = 1.912280701754386
1.912280701754386 x 100 = 191.23%