-92.13% is the change from 89 to 7
Calculation steps:
[( 7 - 89 ) ÷ 89] x 100 = -92.13%
Formula
Percentage change = [(7 - 89) / 89] x 100
Subtract the new number by the original number
7 - 89 = -82
-82 ÷ 89 = -0.9213483146067416
-0.9213483146067416 x 100 = -92.13%