-76.11% is the change from 406 to 97
Calculation steps:
[( 97 - 406 ) ÷ 406] x 100 = -76.11%
Formula
Percentage change = [(97 - 406) / 406] x 100
Subtract the new number by the original number
97 - 406 = -309
-309 ÷ 406 = -0.7610837438423645
-0.7610837438423645 x 100 = -76.11%