-64.42% is the change from 787 to 280
Calculation steps:
[( 280 - 787 ) ÷ 787] x 100 = -64.42%
Formula
Percentage change = [(280 - 787) / 787] x 100
Subtract the new number by the original number
280 - 787 = -507
-507 ÷ 787 = -0.6442185514612452
-0.6442185514612452 x 100 = -64.42%