-82.89% is the change from 298 to 51
Calculation steps:
[( 51 - 298 ) ÷ 298] x 100 = -82.89%
Formula
Percentage change = [(51 - 298) / 298] x 100
Subtract the new number by the original number
51 - 298 = -247
-247 ÷ 298 = -0.8288590604026845
-0.8288590604026845 x 100 = -82.89%