-77.13% is the change from 940 to 215
Calculation steps:
[( 215 - 940 ) ÷ 940] x 100 = -77.13%
Formula
Percentage change = [(215 - 940) / 940] x 100
Subtract the new number by the original number
215 - 940 = -725
-725 ÷ 940 = -0.7712765957446809
-0.7712765957446809 x 100 = -77.13%