-65.44% is the change from 515 to 178
Calculation steps:
[( 178 - 515 ) ÷ 515] x 100 = -65.44%
Formula
Percentage change = [(178 - 515) / 515] x 100
Subtract the new number by the original number
178 - 515 = -337
-337 ÷ 515 = -0.654368932038835
-0.654368932038835 x 100 = -65.44%