-75.12% is the change from 402 to 100
Calculation steps:
[( 100 - 402 ) ÷ 402] x 100 = -75.12%
Formula
Percentage change = [(100 - 402) / 402] x 100
Subtract the new number by the original number
100 - 402 = -302
-302 ÷ 402 = -0.7512437810945274
-0.7512437810945274 x 100 = -75.12%