-55.61% is the change from 187 to 83
Calculation steps:
[( 83 - 187 ) ÷ 187] x 100 = -55.61%
Formula
Percentage change = [(83 - 187) / 187] x 100
Subtract the new number by the original number
83 - 187 = -104
-104 ÷ 187 = -0.5561497326203209
-0.5561497326203209 x 100 = -55.61%