-60.84% is the change from 715 to 280
Calculation steps:
[( 280 - 715 ) ÷ 715] x 100 = -60.84%
Formula
Percentage change = [(280 - 715) / 715] x 100
Subtract the new number by the original number
280 - 715 = -435
-435 ÷ 715 = -0.6083916083916084
-0.6083916083916084 x 100 = -60.84%