-26.86% is the change from 700 to 512
Calculation steps:
[( 512 - 700 ) ÷ 700] x 100 = -26.86%
Formula
Percentage change = [(512 - 700) / 700] x 100
Subtract the new number by the original number
512 - 700 = -188
-188 ÷ 700 = -0.26857142857142857
-0.26857142857142857 x 100 = -26.86%