-32.58% is the change from 660 to 445
Calculation steps:
[( 445 - 660 ) ÷ 660] x 100 = -32.58%
Formula
Percentage change = [(445 - 660) / 660] x 100
Subtract the new number by the original number
445 - 660 = -215
-215 ÷ 660 = -0.32575757575757575
-0.32575757575757575 x 100 = -32.58%