-76.54% is the change from 972 to 228
Calculation steps:
[( 228 - 972 ) ÷ 972] x 100 = -76.54%
Formula
Percentage change = [(228 - 972) / 972] x 100
Subtract the new number by the original number
228 - 972 = -744
-744 ÷ 972 = -0.7654320987654321
-0.7654320987654321 x 100 = -76.54%