-56.21% is the change from 918 to 402
Calculation steps:
[( 402 - 918 ) ÷ 918] x 100 = -56.21%
Formula
Percentage change = [(402 - 918) / 918] x 100
Subtract the new number by the original number
402 - 918 = -516
-516 ÷ 918 = -0.5620915032679739
-0.5620915032679739 x 100 = -56.21%