-83.16% is the change from 297 to 50
Calculation steps:
[( 50 - 297 ) ÷ 297] x 100 = -83.16%
Formula
Percentage change = [(50 - 297) / 297] x 100
Subtract the new number by the original number
50 - 297 = -247
-247 ÷ 297 = -0.8316498316498316
-0.8316498316498316 x 100 = -83.16%