-60.9% is the change from 826 to 323
Calculation steps:
[( 323 - 826 ) ÷ 826] x 100 = -60.9%
Formula
Percentage change = [(323 - 826) / 826] x 100
Subtract the new number by the original number
323 - 826 = -503
-503 ÷ 826 = -0.6089588377723971
-0.6089588377723971 x 100 = -60.9%