-68.79% is the change from 721 to 225
Calculation steps:
[( 225 - 721 ) ÷ 721] x 100 = -68.79%
Formula
Percentage change = [(225 - 721) / 721] x 100
Subtract the new number by the original number
225 - 721 = -496
-496 ÷ 721 = -0.6879334257975035
-0.6879334257975035 x 100 = -68.79%