-71.13% is the change from 336 to 97
Calculation steps:
[( 97 - 336 ) ÷ 336] x 100 = -71.13%
Formula
Percentage change = [(97 - 336) / 336] x 100
Subtract the new number by the original number
97 - 336 = -239
-239 ÷ 336 = -0.7113095238095238
-0.7113095238095238 x 100 = -71.13%