-70.93% is the change from 939 to 273
Calculation steps:
[( 273 - 939 ) ÷ 939] x 100 = -70.93%
Formula
Percentage change = [(273 - 939) / 939] x 100
Subtract the new number by the original number
273 - 939 = -666
-666 ÷ 939 = -0.7092651757188498
-0.7092651757188498 x 100 = -70.93%