-42.11% is the change from 323 to 187
Calculation steps:
[( 187 - 323 ) ÷ 323] x 100 = -42.11%
Formula
Percentage change = [(187 - 323) / 323] x 100
Subtract the new number by the original number
187 - 323 = -136
-136 ÷ 323 = -0.42105263157894735
-0.42105263157894735 x 100 = -42.11%