-49.28% is the change from 207 to 105
Calculation steps:
[( 105 - 207 ) ÷ 207] x 100 = -49.28%
Formula
Percentage change = [(105 - 207) / 207] x 100
Subtract the new number by the original number
105 - 207 = -102
-102 ÷ 207 = -0.4927536231884058
-0.4927536231884058 x 100 = -49.28%