-69.73% is the change from 902 to 273
Calculation steps:
[( 273 - 902 ) ÷ 902] x 100 = -69.73%
Formula
Percentage change = [(273 - 902) / 902] x 100
Subtract the new number by the original number
273 - 902 = -629
-629 ÷ 902 = -0.697339246119734
-0.697339246119734 x 100 = -69.73%