-77.12% is the change from 424 to 97
Calculation steps:
[( 97 - 424 ) ÷ 424] x 100 = -77.12%
Formula
Percentage change = [(97 - 424) / 424] x 100
Subtract the new number by the original number
97 - 424 = -327
-327 ÷ 424 = -0.7712264150943396
-0.7712264150943396 x 100 = -77.12%