-65.05% is the change from 987 to 345
Calculation steps:
[( 345 - 987 ) ÷ 987] x 100 = -65.05%
Formula
Percentage change = [(345 - 987) / 987] x 100
Subtract the new number by the original number
345 - 987 = -642
-642 ÷ 987 = -0.6504559270516718
-0.6504559270516718 x 100 = -65.05%