-83.01% is the change from 306 to 52
Calculation steps:
[( 52 - 306 ) ÷ 306] x 100 = -83.01%
Formula
Percentage change = [(52 - 306) / 306] x 100
Subtract the new number by the original number
52 - 306 = -254
-254 ÷ 306 = -0.8300653594771242
-0.8300653594771242 x 100 = -83.01%