-67.09% is the change from 392 to 129
Calculation steps:
[( 129 - 392 ) ÷ 392] x 100 = -67.09%
Formula
Percentage change = [(129 - 392) / 392] x 100
Subtract the new number by the original number
129 - 392 = -263
-263 ÷ 392 = -0.6709183673469388
-0.6709183673469388 x 100 = -67.09%