-67.21% is the change from 308 to 101
Calculation steps:
[( 101 - 308 ) ÷ 308] x 100 = -67.21%
Formula
Percentage change = [(101 - 308) / 308] x 100
Subtract the new number by the original number
101 - 308 = -207
-207 ÷ 308 = -0.672077922077922
-0.672077922077922 x 100 = -67.21%