-89.11% is the change from 101 to 11
Calculation steps:
[( 11 - 101 ) ÷ 101] x 100 = -89.11%
Formula
Percentage change = [(11 - 101) / 101] x 100
Subtract the new number by the original number
11 - 101 = -90
-90 ÷ 101 = -0.8910891089108911
-0.8910891089108911 x 100 = -89.11%