-51.15% is the change from 653 to 319
Calculation steps:
[( 319 - 653 ) ÷ 653] x 100 = -51.15%
Formula
Percentage change = [(319 - 653) / 653] x 100
Subtract the new number by the original number
319 - 653 = -334
-334 ÷ 653 = -0.5114854517611026
-0.5114854517611026 x 100 = -51.15%