-33.55% is the change from 307 to 204
Calculation steps:
[( 204 - 307 ) ÷ 307] x 100 = -33.55%
Formula
Percentage change = [(204 - 307) / 307] x 100
Subtract the new number by the original number
204 - 307 = -103
-103 ÷ 307 = -0.3355048859934853
-0.3355048859934853 x 100 = -33.55%