-17.98% is the change from 662 to 543
Calculation steps:
[( 543 - 662 ) ÷ 662] x 100 = -17.98%
Formula
Percentage change = [(543 - 662) / 662] x 100
Subtract the new number by the original number
543 - 662 = -119
-119 ÷ 662 = -0.1797583081570997
-0.1797583081570997 x 100 = -17.98%