-28.87% is the change from 291 to 207
Calculation steps:
[( 207 - 291 ) ÷ 291] x 100 = -28.87%
Formula
Percentage change = [(207 - 291) / 291] x 100
Subtract the new number by the original number
207 - 291 = -84
-84 ÷ 291 = -0.28865979381443296
-0.28865979381443296 x 100 = -28.87%