-32.45% is the change from 721 to 487
Calculation steps:
[( 487 - 721 ) ÷ 721] x 100 = -32.45%
Formula
Percentage change = [(487 - 721) / 721] x 100
Subtract the new number by the original number
487 - 721 = -234
-234 ÷ 721 = -0.3245492371705964
-0.3245492371705964 x 100 = -32.45%