-50.89% is the change from 169 to 83
Calculation steps:
[( 83 - 169 ) ÷ 169] x 100 = -50.89%
Formula
Percentage change = [(83 - 169) / 169] x 100
Subtract the new number by the original number
83 - 169 = -86
-86 ÷ 169 = -0.5088757396449705
-0.5088757396449705 x 100 = -50.89%