-83.7% is the change from 951 to 155
Calculation steps:
[( 155 - 951 ) ÷ 951] x 100 = -83.7%
Formula
Percentage change = [(155 - 951) / 951] x 100
Subtract the new number by the original number
155 - 951 = -796
-796 ÷ 951 = -0.8370136698212408
-0.8370136698212408 x 100 = -83.7%