-32.79% is the change from 308 to 207
Calculation steps:
[( 207 - 308 ) ÷ 308] x 100 = -32.79%
Formula
Percentage change = [(207 - 308) / 308] x 100
Subtract the new number by the original number
207 - 308 = -101
-101 ÷ 308 = -0.32792207792207795
-0.32792207792207795 x 100 = -32.79%