-31.4% is the change from 758 to 520
Calculation steps:
[( 520 - 758 ) ÷ 758] x 100 = -31.4%
Formula
Percentage change = [(520 - 758) / 758] x 100
Subtract the new number by the original number
520 - 758 = -238
-238 ÷ 758 = -0.31398416886543534
-0.31398416886543534 x 100 = -31.4%