-52.52% is the change from 497 to 236
Calculation steps:
[( 236 - 497 ) ÷ 497] x 100 = -52.52%
Formula
Percentage change = [(236 - 497) / 497] x 100
Subtract the new number by the original number
236 - 497 = -261
-261 ÷ 497 = -0.5251509054325956
-0.5251509054325956 x 100 = -52.52%