-18.38% is the change from 800 to 653
Calculation steps:
[( 653 - 800 ) ÷ 800] x 100 = -18.38%
Formula
Percentage change = [(653 - 800) / 800] x 100
Subtract the new number by the original number
653 - 800 = -147
-147 ÷ 800 = -0.18375
-0.18375 x 100 = -18.38%