-63.52% is the change from 540 to 197
Calculation steps:
[( 197 - 540 ) ÷ 540] x 100 = -63.52%
Formula
Percentage change = [(197 - 540) / 540] x 100
Subtract the new number by the original number
197 - 540 = -343
-343 ÷ 540 = -0.6351851851851852
-0.6351851851851852 x 100 = -63.52%