-83.59% is the change from 786 to 129
Calculation steps:
[( 129 - 786 ) ÷ 786] x 100 = -83.59%
Formula
Percentage change = [(129 - 786) / 786] x 100
Subtract the new number by the original number
129 - 786 = -657
-657 ÷ 786 = -0.8358778625954199
-0.8358778625954199 x 100 = -83.59%