-94.75% is the change from 972 to 51
Calculation steps:
[( 51 - 972 ) ÷ 972] x 100 = -94.75%
Formula
Percentage change = [(51 - 972) / 972] x 100
Subtract the new number by the original number
51 - 972 = -921
-921 ÷ 972 = -0.9475308641975309
-0.9475308641975309 x 100 = -94.75%