-49.42% is the change from 945 to 478
Calculation steps:
[( 478 - 945 ) ÷ 945] x 100 = -49.42%
Formula
Percentage change = [(478 - 945) / 945] x 100
Subtract the new number by the original number
478 - 945 = -467
-467 ÷ 945 = -0.49417989417989416
-0.49417989417989416 x 100 = -49.42%