-53.71% is the change from 175 to 81
Calculation steps:
[( 81 - 175 ) ÷ 175] x 100 = -53.71%
Formula
Percentage change = [(81 - 175) / 175] x 100
Subtract the new number by the original number
81 - 175 = -94
-94 ÷ 175 = -0.5371428571428571
-0.5371428571428571 x 100 = -53.71%