-63.31% is the change from 537 to 197
Calculation steps:
[( 197 - 537 ) ÷ 537] x 100 = -63.31%
Formula
Percentage change = [(197 - 537) / 537] x 100
Subtract the new number by the original number
197 - 537 = -340
-340 ÷ 537 = -0.633147113594041
-0.633147113594041 x 100 = -63.31%