-29.9% is the change from 291 to 204
Calculation steps:
[( 204 - 291 ) ÷ 291] x 100 = -29.9%
Formula
Percentage change = [(204 - 291) / 291] x 100
Subtract the new number by the original number
204 - 291 = -87
-87 ÷ 291 = -0.29896907216494845
-0.29896907216494845 x 100 = -29.9%