-45.45% is the change from 187 to 102
Calculation steps:
[( 102 - 187 ) ÷ 187] x 100 = -45.45%
Formula
Percentage change = [(102 - 187) / 187] x 100
Subtract the new number by the original number
102 - 187 = -85
-85 ÷ 187 = -0.45454545454545453
-0.45454545454545453 x 100 = -45.45%