-45.66% is the change from 311 to 169
Calculation steps:
[( 169 - 311 ) ÷ 311] x 100 = -45.66%
Formula
Percentage change = [(169 - 311) / 311] x 100
Subtract the new number by the original number
169 - 311 = -142
-142 ÷ 311 = -0.4565916398713826
-0.4565916398713826 x 100 = -45.66%