231.88% is the change from 160 to 531
Calculation steps:
[( 531 - 160 ) ÷ 160] x 100 = 231.88%
Formula
Percentage change = [(531 - 160) / 160] x 100
Subtract the new number by the original number
531 - 160 = 371
371 ÷ 160 = 2.31875
2.31875 x 100 = 231.88%