20.38% is the change from 157 to 189
Calculation steps:
[( 189 - 157 ) ÷ 157] x 100 = 20.38%
Formula
Percentage change = [(189 - 157) / 157] x 100
Subtract the new number by the original number
189 - 157 = 32
32 ÷ 157 = 0.20382165605095542
0.20382165605095542 x 100 = 20.38%