-34.98% is the change from 323 to 210
Calculation steps:
[( 210 - 323 ) ÷ 323] x 100 = -34.98%
Formula
Percentage change = [(210 - 323) / 323] x 100
Subtract the new number by the original number
210 - 323 = -113
-113 ÷ 323 = -0.3498452012383901
-0.3498452012383901 x 100 = -34.98%