-99.52% is the change from 207 to 1
Calculation steps:
[( 1 - 207 ) ÷ 207] x 100 = -99.52%
Formula
Percentage change = [(1 - 207) / 207] x 100
Subtract the new number by the original number
1 - 207 = -206
-206 ÷ 207 = -0.9951690821256038
-0.9951690821256038 x 100 = -99.52%