-61% is the change from 623 to 243
Calculation steps:
[( 243 - 623 ) ÷ 623] x 100 = -61%
Formula
Percentage change = [(243 - 623) / 623] x 100
Subtract the new number by the original number
243 - 623 = -380
-380 ÷ 623 = -0.6099518459069021
-0.6099518459069021 x 100 = -61%