-86.47% is the change from 207 to 28
Calculation steps:
[( 28 - 207 ) ÷ 207] x 100 = -86.47%
Formula
Percentage change = [(28 - 207) / 207] x 100
Subtract the new number by the original number
28 - 207 = -179
-179 ÷ 207 = -0.8647342995169082
-0.8647342995169082 x 100 = -86.47%