-60.33% is the change from 542 to 215
Calculation steps:
[( 215 - 542 ) ÷ 542] x 100 = -60.33%
Formula
Percentage change = [(215 - 542) / 542] x 100
Subtract the new number by the original number
215 - 542 = -327
-327 ÷ 542 = -0.6033210332103321
-0.6033210332103321 x 100 = -60.33%