-61% is the change from 700 to 273
Calculation steps:
[( 273 - 700 ) ÷ 700] x 100 = -61%
Formula
Percentage change = [(273 - 700) / 700] x 100
Subtract the new number by the original number
273 - 700 = -427
-427 ÷ 700 = -0.61
-0.61 x 100 = -61%
Example