-25.15% is the change from 330 to 247
Calculation steps:
[( 247 - 330 ) ÷ 330] x 100 = -25.15%
Formula
Percentage change = [(247 - 330) / 330] x 100
Subtract the new number by the original number
247 - 330 = -83
-83 ÷ 330 = -0.2515151515151515
-0.2515151515151515 x 100 = -25.15%