-62.12% is the change from 520 to 197
Calculation steps:
[( 197 - 520 ) ÷ 520] x 100 = -62.12%
Formula
Percentage change = [(197 - 520) / 520] x 100
Subtract the new number by the original number
197 - 520 = -323
-323 ÷ 520 = -0.6211538461538462
-0.6211538461538462 x 100 = -62.12%