-53.2% is the change from 297 to 139
Calculation steps:
[( 139 - 297 ) ÷ 297] x 100 = -53.2%
Formula
Percentage change = [(139 - 297) / 297] x 100
Subtract the new number by the original number
139 - 297 = -158
-158 ÷ 297 = -0.531986531986532
-0.531986531986532 x 100 = -53.2%