-46.5% is the change from 157 to 84
Calculation steps:
[( 84 - 157 ) ÷ 157] x 100 = -46.5%
Formula
Percentage change = [(84 - 157) / 157] x 100
Subtract the new number by the original number
84 - 157 = -73
-73 ÷ 157 = -0.46496815286624205
-0.46496815286624205 x 100 = -46.5%