-31.38% is the change from 972 to 667
Calculation steps:
[( 667 - 972 ) ÷ 972] x 100 = -31.38%
Formula
Percentage change = [(667 - 972) / 972] x 100
Subtract the new number by the original number
667 - 972 = -305
-305 ÷ 972 = -0.31378600823045266
-0.31378600823045266 x 100 = -31.38%