-58.73% is the change from 945 to 390
Calculation steps:
[( 390 - 945 ) ÷ 945] x 100 = -58.73%
Formula
Percentage change = [(390 - 945) / 945] x 100
Subtract the new number by the original number
390 - 945 = -555
-555 ÷ 945 = -0.5873015873015873
-0.5873015873015873 x 100 = -58.73%