-68.43% is the change from 700 to 221
Calculation steps:
[( 221 - 700 ) ÷ 700] x 100 = -68.43%
Formula
Percentage change = [(221 - 700) / 700] x 100
Subtract the new number by the original number
221 - 700 = -479
-479 ÷ 700 = -0.6842857142857143
-0.6842857142857143 x 100 = -68.43%