-86.54% is the change from 52 to 7
Calculation steps:
[( 7 - 52 ) ÷ 52] x 100 = -86.54%
Formula
Percentage change = [(7 - 52) / 52] x 100
Subtract the new number by the original number
7 - 52 = -45
-45 ÷ 52 = -0.8653846153846154
-0.8653846153846154 x 100 = -86.54%