-46.05% is the change from 215 to 116
Calculation steps:
[( 116 - 215 ) ÷ 215] x 100 = -46.05%
Formula
Percentage change = [(116 - 215) / 215] x 100
Subtract the new number by the original number
116 - 215 = -99
-99 ÷ 215 = -0.4604651162790698
-0.4604651162790698 x 100 = -46.05%