-69.01% is the change from 313 to 97
Calculation steps:
[( 97 - 313 ) ÷ 313] x 100 = -69.01%
Formula
Percentage change = [(97 - 313) / 313] x 100
Subtract the new number by the original number
97 - 313 = -216
-216 ÷ 313 = -0.6900958466453674
-0.6900958466453674 x 100 = -69.01%