-35.41% is the change from 305 to 197
Calculation steps:
[( 197 - 305 ) ÷ 305] x 100 = -35.41%
Formula
Percentage change = [(197 - 305) / 305] x 100
Subtract the new number by the original number
197 - 305 = -108
-108 ÷ 305 = -0.3540983606557377
-0.3540983606557377 x 100 = -35.41%