-16.93% is the change from 189 to 157
Calculation steps:
[( 157 - 189 ) ÷ 189] x 100 = -16.93%
Formula
Percentage change = [(157 - 189) / 189] x 100
Subtract the new number by the original number
157 - 189 = -32
-32 ÷ 189 = -0.1693121693121693
-0.1693121693121693 x 100 = -16.93%