171.92% is the change from 146 to 397
Calculation steps:
[( 397 - 146 ) ÷ 146] x 100 = 171.92%
Formula
Percentage change = [(397 - 146) / 146] x 100
Subtract the new number by the original number
397 - 146 = 251
251 ÷ 146 = 1.7191780821917808
1.7191780821917808 x 100 = 171.92%