-91.18% is the change from 567 to 50
Calculation steps:
[( 50 - 567 ) ÷ 567] x 100 = -91.18%
Formula
Percentage change = [(50 - 567) / 567] x 100
Subtract the new number by the original number
50 - 567 = -517
-517 ÷ 567 = -0.9118165784832452
-0.9118165784832452 x 100 = -91.18%