-58.52% is the change from 311 to 129
Calculation steps:
[( 129 - 311 ) ÷ 311] x 100 = -58.52%
Formula
Percentage change = [(129 - 311) / 311] x 100
Subtract the new number by the original number
129 - 311 = -182
-182 ÷ 311 = -0.5852090032154341
-0.5852090032154341 x 100 = -58.52%