193.86% is the change from 228 to 670
Calculation steps:
[( 670 - 228 ) ÷ 228] x 100 = 193.86%
Formula
Percentage change = [(670 - 228) / 228] x 100
Subtract the new number by the original number
670 - 228 = 442
442 ÷ 228 = 1.9385964912280702
1.9385964912280702 x 100 = 193.86%