64.73% is the change from 241 to 397
Calculation steps:
[( 397 - 241 ) ÷ 241] x 100 = 64.73%
Formula
Percentage change = [(397 - 241) / 241] x 100
Subtract the new number by the original number
397 - 241 = 156
156 ÷ 241 = 0.6473029045643154
0.6473029045643154 x 100 = 64.73%