-40.93% is the change from 215 to 127
Calculation steps:
[( 127 - 215 ) ÷ 215] x 100 = -40.93%
Formula
Percentage change = [(127 - 215) / 215] x 100
Subtract the new number by the original number
127 - 215 = -88
-88 ÷ 215 = -0.40930232558139534
-0.40930232558139534 x 100 = -40.93%