-6.78% is the change from 973 to 907
Calculation steps:
[( 907 - 973 ) ÷ 973] x 100 = -6.78%
Formula
Percentage change = [(907 - 973) / 973] x 100
Subtract the new number by the original number
907 - 973 = -66
-66 ÷ 973 = -0.06783144912641316
-0.06783144912641316 x 100 = -6.78%