1012.36% is the change from 89 to 990
Calculation steps:
[( 990 - 89 ) ÷ 89] x 100 = 1012.36%
Formula
Percentage change = [(990 - 89) / 89] x 100
Subtract the new number by the original number
990 - 89 = 901
901 ÷ 89 = 10.123595505617978
10.123595505617978 x 100 = 1012.36%