-20.53% is the change from 190 to 151
Calculation steps:
[( 151 - 190 ) ÷ 190] x 100 = -20.53%
Formula
Percentage change = [(151 - 190) / 190] x 100
Subtract the new number by the original number
151 - 190 = -39
-39 ÷ 190 = -0.20526315789473684
-0.20526315789473684 x 100 = -20.53%