-40.3% is the change from 330 to 197
Calculation steps:
[( 197 - 330 ) ÷ 330] x 100 = -40.3%
Formula
Percentage change = [(197 - 330) / 330] x 100
Subtract the new number by the original number
197 - 330 = -133
-133 ÷ 330 = -0.403030303030303
-0.403030303030303 x 100 = -40.3%