-70.05% is the change from 818 to 245
Calculation steps:
[( 245 - 818 ) ÷ 818] x 100 = -70.05%
Formula
Percentage change = [(245 - 818) / 818] x 100
Subtract the new number by the original number
245 - 818 = -573
-573 ÷ 818 = -0.7004889975550123
-0.7004889975550123 x 100 = -70.05%