-16.05% is the change from 243 to 204
Calculation steps:
[( 204 - 243 ) ÷ 243] x 100 = -16.05%
Formula
Percentage change = [(204 - 243) / 243] x 100
Subtract the new number by the original number
204 - 243 = -39
-39 ÷ 243 = -0.16049382716049382
-0.16049382716049382 x 100 = -16.05%