-84% is the change from 975 to 156
Calculation steps:
[( 156 - 975 ) ÷ 975] x 100 = -84%
Formula
Percentage change = [(156 - 975) / 975] x 100
Subtract the new number by the original number
156 - 975 = -819
-819 ÷ 975 = -0.84
-0.84 x 100 = -84%
Example