-99.03% is the change from 207 to 2
Calculation steps:
[( 2 - 207 ) ÷ 207] x 100 = -99.03%
Formula
Percentage change = [(2 - 207) / 207] x 100
Subtract the new number by the original number
2 - 207 = -205
-205 ÷ 207 = -0.9903381642512077
-0.9903381642512077 x 100 = -99.03%