35.96% is the change from 228 to 310
Calculation steps:
[( 310 - 228 ) ÷ 228] x 100 = 35.96%
Formula
Percentage change = [(310 - 228) / 228] x 100
Subtract the new number by the original number
310 - 228 = 82
82 ÷ 228 = 0.35964912280701755
0.35964912280701755 x 100 = 35.96%