229.75% is the change from 158 to 521
Calculation steps:
[( 521 - 158 ) ÷ 158] x 100 = 229.75%
Formula
Percentage change = [(521 - 158) / 158] x 100
Subtract the new number by the original number
521 - 158 = 363
363 ÷ 158 = 2.2974683544303796
2.2974683544303796 x 100 = 229.75%