-57.94% is the change from 951 to 400
Calculation steps:
[( 400 - 951 ) ÷ 951] x 100 = -57.94%
Formula
Percentage change = [(400 - 951) / 951] x 100
Subtract the new number by the original number
400 - 951 = -551
-551 ÷ 951 = -0.5793901156677181
-0.5793901156677181 x 100 = -57.94%