-34.18% is the change from 787 to 518
Calculation steps:
[( 518 - 787 ) ÷ 787] x 100 = -34.18%
Formula
Percentage change = [(518 - 787) / 787] x 100
Subtract the new number by the original number
518 - 787 = -269
-269 ÷ 787 = -0.3418043202033037
-0.3418043202033037 x 100 = -34.18%