171.93% is the change from 228 to 620
Calculation steps:
[( 620 - 228 ) ÷ 228] x 100 = 171.93%
Formula
Percentage change = [(620 - 228) / 228] x 100
Subtract the new number by the original number
620 - 228 = 392
392 ÷ 228 = 1.719298245614035
1.719298245614035 x 100 = 171.93%