324.2% is the change from 157 to 666
Calculation steps:
[( 666 - 157 ) ÷ 157] x 100 = 324.2%
Formula
Percentage change = [(666 - 157) / 157] x 100
Subtract the new number by the original number
666 - 157 = 509
509 ÷ 157 = 3.2420382165605095
3.2420382165605095 x 100 = 324.2%