-45.45% is the change from 198 to 108
Calculation steps:
[( 108 - 198 ) ÷ 198] x 100 = -45.45%
Formula
Percentage change = [(108 - 198) / 198] x 100
Subtract the new number by the original number
108 - 198 = -90
-90 ÷ 198 = -0.45454545454545453
-0.45454545454545453 x 100 = -45.45%