-65.87% is the change from 545 to 186
Calculation steps:
[( 186 - 545 ) ÷ 545] x 100 = -65.87%
Formula
Percentage change = [(186 - 545) / 545] x 100
Subtract the new number by the original number
186 - 545 = -359
-359 ÷ 545 = -0.6587155963302752
-0.6587155963302752 x 100 = -65.87%