-64.06% is the change from 537 to 193
Calculation steps:
[( 193 - 537 ) ÷ 537] x 100 = -64.06%
Formula
Percentage change = [(193 - 537) / 537] x 100
Subtract the new number by the original number
193 - 537 = -344
-344 ÷ 537 = -0.6405959031657356
-0.6405959031657356 x 100 = -64.06%