-49% is the change from 700 to 357
Calculation steps:
[( 357 - 700 ) ÷ 700] x 100 = -49%
Formula
Percentage change = [(357 - 700) / 700] x 100
Subtract the new number by the original number
357 - 700 = -343
-343 ÷ 700 = -0.49
-0.49 x 100 = -49%
Example