212.67% is the change from 221 to 691
Calculation steps:
[( 691 - 221 ) ÷ 221] x 100 = 212.67%
Formula
Percentage change = [(691 - 221) / 221] x 100
Subtract the new number by the original number
691 - 221 = 470
470 ÷ 221 = 2.1266968325791855
2.1266968325791855 x 100 = 212.67%