215.38% is the change from 221 to 697
Calculation steps:
[( 697 - 221 ) ÷ 221] x 100 = 215.38%
Formula
Percentage change = [(697 - 221) / 221] x 100
Subtract the new number by the original number
697 - 221 = 476
476 ÷ 221 = 2.1538461538461537
2.1538461538461537 x 100 = 215.38%