-68.62% is the change from 972 to 305
Calculation steps:
[( 305 - 972 ) ÷ 972] x 100 = -68.62%
Formula
Percentage change = [(305 - 972) / 972] x 100
Subtract the new number by the original number
305 - 972 = -667
-667 ÷ 972 = -0.6862139917695473
-0.6862139917695473 x 100 = -68.62%