-37.67% is the change from 146 to 91
Calculation steps:
[( 91 - 146 ) ÷ 146] x 100 = -37.67%
Formula
Percentage change = [(91 - 146) / 146] x 100
Subtract the new number by the original number
91 - 146 = -55
-55 ÷ 146 = -0.3767123287671233
-0.3767123287671233 x 100 = -37.67%