-12.82% is the change from 952 to 830
Calculation steps:
[( 830 - 952 ) ÷ 952] x 100 = -12.82%
Formula
Percentage change = [(830 - 952) / 952] x 100
Subtract the new number by the original number
830 - 952 = -122
-122 ÷ 952 = -0.12815126050420167
-0.12815126050420167 x 100 = -12.82%