-83.74% is the change from 326 to 53
Calculation steps:
[( 53 - 326 ) ÷ 326] x 100 = -83.74%
Formula
Percentage change = [(53 - 326) / 326] x 100
Subtract the new number by the original number
53 - 326 = -273
-273 ÷ 326 = -0.8374233128834356
-0.8374233128834356 x 100 = -83.74%