198.65% is the change from 74 to 221
Calculation steps:
[( 221 - 74 ) ÷ 74] x 100 = 198.65%
Formula
Percentage change = [(221 - 74) / 74] x 100
Subtract the new number by the original number
221 - 74 = 147
147 ÷ 74 = 1.9864864864864864
1.9864864864864864 x 100 = 198.65%