-82.74% is the change from 307 to 53
Calculation steps:
[( 53 - 307 ) ÷ 307] x 100 = -82.74%
Formula
Percentage change = [(53 - 307) / 307] x 100
Subtract the new number by the original number
53 - 307 = -254
-254 ÷ 307 = -0.8273615635179153
-0.8273615635179153 x 100 = -82.74%