-49.95% is the change from 939 to 470
Calculation steps:
[( 470 - 939 ) ÷ 939] x 100 = -49.95%
Formula
Percentage change = [(470 - 939) / 939] x 100
Subtract the new number by the original number
470 - 939 = -469
-469 ÷ 939 = -0.4994675186368477
-0.4994675186368477 x 100 = -49.95%