-35.83% is the change from 307 to 197
Calculation steps:
[( 197 - 307 ) ÷ 307] x 100 = -35.83%
Formula
Percentage change = [(197 - 307) / 307] x 100
Subtract the new number by the original number
197 - 307 = -110
-110 ÷ 307 = -0.3583061889250814
-0.3583061889250814 x 100 = -35.83%