-62% is the change from 700 to 266
Calculation steps:
[( 266 - 700 ) ÷ 700] x 100 = -62%
Formula
Percentage change = [(266 - 700) / 700] x 100
Subtract the new number by the original number
266 - 700 = -434
-434 ÷ 700 = -0.62
-0.62 x 100 = -62%
Example