-78.38% is the change from 407 to 88
Calculation steps:
[( 88 - 407 ) ÷ 407] x 100 = -78.38%
Formula
Percentage change = [(88 - 407) / 407] x 100
Subtract the new number by the original number
88 - 407 = -319
-319 ÷ 407 = -0.7837837837837838
-0.7837837837837838 x 100 = -78.38%