-29.75% is the change from 726 to 510
Calculation steps:
[( 510 - 726 ) ÷ 726] x 100 = -29.75%
Formula
Percentage change = [(510 - 726) / 726] x 100
Subtract the new number by the original number
510 - 726 = -216
-216 ÷ 726 = -0.2975206611570248
-0.2975206611570248 x 100 = -29.75%