231.52% is the change from 257 to 852
Calculation steps:
[( 852 - 257 ) ÷ 257] x 100 = 231.52%
Formula
Percentage change = [(852 - 257) / 257] x 100
Subtract the new number by the original number
852 - 257 = 595
595 ÷ 257 = 2.315175097276265
2.315175097276265 x 100 = 231.52%