-65.38% is the change from 543 to 188
Calculation steps:
[( 188 - 543 ) ÷ 543] x 100 = -65.38%
Formula
Percentage change = [(188 - 543) / 543] x 100
Subtract the new number by the original number
188 - 543 = -355
-355 ÷ 543 = -0.6537753222836096
-0.6537753222836096 x 100 = -65.38%