-26.62% is the change from 819 to 601
Calculation steps:
[( 601 - 819 ) ÷ 819] x 100 = -26.62%
Formula
Percentage change = [(601 - 819) / 819] x 100
Subtract the new number by the original number
601 - 819 = -218
-218 ÷ 819 = -0.2661782661782662
-0.2661782661782662 x 100 = -26.62%