-72.97% is the change from 111 to 30
Calculation steps:
[( 30 - 111 ) ÷ 111] x 100 = -72.97%
Formula
Percentage change = [(30 - 111) / 111] x 100
Subtract the new number by the original number
30 - 111 = -81
-81 ÷ 111 = -0.7297297297297297
-0.7297297297297297 x 100 = -72.97%