186.88% is the change from 221 to 634
Calculation steps:
[( 634 - 221 ) ÷ 221] x 100 = 186.88%
Formula
Percentage change = [(634 - 221) / 221] x 100
Subtract the new number by the original number
634 - 221 = 413
413 ÷ 221 = 1.8687782805429864
1.8687782805429864 x 100 = 186.88%