-59.42% is the change from 823 to 334
Calculation steps:
[( 334 - 823 ) ÷ 823] x 100 = -59.42%
Formula
Percentage change = [(334 - 823) / 823] x 100
Subtract the new number by the original number
334 - 823 = -489
-489 ÷ 823 = -0.5941676792223572
-0.5941676792223572 x 100 = -59.42%