-77.57% is the change from 972 to 218
Calculation steps:
[( 218 - 972 ) ÷ 972] x 100 = -77.57%
Formula
Percentage change = [(218 - 972) / 972] x 100
Subtract the new number by the original number
218 - 972 = -754
-754 ÷ 972 = -0.7757201646090535
-0.7757201646090535 x 100 = -77.57%