-27.65% is the change from 217 to 157
Calculation steps:
[( 157 - 217 ) ÷ 217] x 100 = -27.65%
Formula
Percentage change = [(157 - 217) / 217] x 100
Subtract the new number by the original number
157 - 217 = -60
-60 ÷ 217 = -0.2764976958525346
-0.2764976958525346 x 100 = -27.65%