-83.49% is the change from 951 to 157
Calculation steps:
[( 157 - 951 ) ÷ 951] x 100 = -83.49%
Formula
Percentage change = [(157 - 951) / 951] x 100
Subtract the new number by the original number
157 - 951 = -794
-794 ÷ 951 = -0.8349106203995794
-0.8349106203995794 x 100 = -83.49%