-26.5% is the change from 819 to 602
Calculation steps:
[( 602 - 819 ) ÷ 819] x 100 = -26.5%
Formula
Percentage change = [(602 - 819) / 819] x 100
Subtract the new number by the original number
602 - 819 = -217
-217 ÷ 819 = -0.26495726495726496
-0.26495726495726496 x 100 = -26.5%