-28.43% is the change from 700 to 501
Calculation steps:
[( 501 - 700 ) ÷ 700] x 100 = -28.43%
Formula
Percentage change = [(501 - 700) / 700] x 100
Subtract the new number by the original number
501 - 700 = -199
-199 ÷ 700 = -0.2842857142857143
-0.2842857142857143 x 100 = -28.43%