-70.9% is the change from 938 to 273
Calculation steps:
[( 273 - 938 ) ÷ 938] x 100 = -70.9%
Formula
Percentage change = [(273 - 938) / 938] x 100
Subtract the new number by the original number
273 - 938 = -665
-665 ÷ 938 = -0.7089552238805971
-0.7089552238805971 x 100 = -70.9%