-70.39% is the change from 726 to 215
Calculation steps:
[( 215 - 726 ) ÷ 726] x 100 = -70.39%
Formula
Percentage change = [(215 - 726) / 726] x 100
Subtract the new number by the original number
215 - 726 = -511
-511 ÷ 726 = -0.7038567493112947
-0.7038567493112947 x 100 = -70.39%