-52.23% is the change from 291 to 139
Calculation steps:
[( 139 - 291 ) ÷ 291] x 100 = -52.23%
Formula
Percentage change = [(139 - 291) / 291] x 100
Subtract the new number by the original number
139 - 291 = -152
-152 ÷ 291 = -0.5223367697594502
-0.5223367697594502 x 100 = -52.23%