-21.09% is the change from 972 to 767
Calculation steps:
[( 767 - 972 ) ÷ 972] x 100 = -21.09%
Formula
Percentage change = [(767 - 972) / 972] x 100
Subtract the new number by the original number
767 - 972 = -205
-205 ÷ 972 = -0.2109053497942387
-0.2109053497942387 x 100 = -21.09%