-41.12% is the change from 715 to 421
Calculation steps:
[( 421 - 715 ) ÷ 715] x 100 = -41.12%
Formula
Percentage change = [(421 - 715) / 715] x 100
Subtract the new number by the original number
421 - 715 = -294
-294 ÷ 715 = -0.4111888111888112
-0.4111888111888112 x 100 = -41.12%