-60.43% is the change from 326 to 129
Calculation steps:
[( 129 - 326 ) ÷ 326] x 100 = -60.43%
Formula
Percentage change = [(129 - 326) / 326] x 100
Subtract the new number by the original number
129 - 326 = -197
-197 ÷ 326 = -0.6042944785276073
-0.6042944785276073 x 100 = -60.43%