-5.86% is the change from 972 to 915
Calculation steps:
[( 915 - 972 ) ÷ 972] x 100 = -5.86%
Formula
Percentage change = [(915 - 972) / 972] x 100
Subtract the new number by the original number
915 - 972 = -57
-57 ÷ 972 = -0.05864197530864197
-0.05864197530864197 x 100 = -5.86%