67.42% is the change from 221 to 370
Calculation steps:
[( 370 - 221 ) ÷ 221] x 100 = 67.42%
Formula
Percentage change = [(370 - 221) / 221] x 100
Subtract the new number by the original number
370 - 221 = 149
149 ÷ 221 = 0.6742081447963801
0.6742081447963801 x 100 = 67.42%