-23.22% is the change from 715 to 549
Calculation steps:
[( 549 - 715 ) ÷ 715] x 100 = -23.22%
Formula
Percentage change = [(549 - 715) / 715] x 100
Subtract the new number by the original number
549 - 715 = -166
-166 ÷ 715 = -0.23216783216783216
-0.23216783216783216 x 100 = -23.22%