19.62% is the change from 158 to 189
Calculation steps:
[( 189 - 158 ) ÷ 158] x 100 = 19.62%
Formula
Percentage change = [(189 - 158) / 158] x 100
Subtract the new number by the original number
189 - 158 = 31
31 ÷ 158 = 0.1962025316455696
0.1962025316455696 x 100 = 19.62%