-78.05% is the change from 41 to 9
Calculation steps:
[( 9 - 41 ) ÷ 41] x 100 = -78.05%
Formula
Percentage change = [(9 - 41) / 41] x 100
Subtract the new number by the original number
9 - 41 = -32
-32 ÷ 41 = -0.7804878048780488
-0.7804878048780488 x 100 = -78.05%