-47.99% is the change from 623 to 324
Calculation steps:
[( 324 - 623 ) ÷ 623] x 100 = -47.99%
Formula
Percentage change = [(324 - 623) / 623] x 100
Subtract the new number by the original number
324 - 623 = -299
-299 ÷ 623 = -0.4799357945425361
-0.4799357945425361 x 100 = -47.99%