-99.47% is the change from 187 to 1
Calculation steps:
[( 1 - 187 ) ÷ 187] x 100 = -99.47%
Formula
Percentage change = [(1 - 187) / 187] x 100
Subtract the new number by the original number
1 - 187 = -186
-186 ÷ 187 = -0.9946524064171123
-0.9946524064171123 x 100 = -99.47%