-2.57% is the change from 972 to 947
Calculation steps:
[( 947 - 972 ) ÷ 972] x 100 = -2.57%
Formula
Percentage change = [(947 - 972) / 972] x 100
Subtract the new number by the original number
947 - 972 = -25
-25 ÷ 972 = -0.0257201646090535
-0.0257201646090535 x 100 = -2.57%