-23.86% is the change from 197 to 150
Calculation steps:
[( 150 - 197 ) ÷ 197] x 100 = -23.86%
Formula
Percentage change = [(150 - 197) / 197] x 100
Subtract the new number by the original number
150 - 197 = -47
-47 ÷ 197 = -0.23857868020304568
-0.23857868020304568 x 100 = -23.86%