-51.6% is the change from 407 to 197
Calculation steps:
[( 197 - 407 ) ÷ 407] x 100 = -51.6%
Formula
Percentage change = [(197 - 407) / 407] x 100
Subtract the new number by the original number
197 - 407 = -210
-210 ÷ 407 = -0.515970515970516
-0.515970515970516 x 100 = -51.6%