-71.25% is the change from 546 to 157
Calculation steps:
[( 157 - 546 ) ÷ 546] x 100 = -71.25%
Formula
Percentage change = [(157 - 546) / 546] x 100
Subtract the new number by the original number
157 - 546 = -389
-389 ÷ 546 = -0.7124542124542125
-0.7124542124542125 x 100 = -71.25%