-20.11% is the change from 189 to 151
Calculation steps:
[( 151 - 189 ) ÷ 189] x 100 = -20.11%
Formula
Percentage change = [(151 - 189) / 189] x 100
Subtract the new number by the original number
151 - 189 = -38
-38 ÷ 189 = -0.20105820105820105
-0.20105820105820105 x 100 = -20.11%