-20.69% is the change from 319 to 253
Calculation steps:
[( 253 - 319 ) ÷ 319] x 100 = -20.69%
Formula
Percentage change = [(253 - 319) / 319] x 100
Subtract the new number by the original number
253 - 319 = -66
-66 ÷ 319 = -0.20689655172413793
-0.20689655172413793 x 100 = -20.69%